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Finding the Fourth Proportional to 149,490,310.80, 223,810,313.40 and 149,490,310.80

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Solution

The fourth proportional to 149,490,310.80, 223,810,313.40 and 149,490,310.80 is: 223,810,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,310.80 : 223,810,313.40 = 149,490,310.80 : x
  2. Step 2: Convert to fraction form
    149,490,310.80/223,810,313.40 = 149,490,310.80/x
  3. Step 3: Cross multiply
    149,490,310.80x = 223,810,313.40 × 149,490,310.80
  4. Step 4: Simplify right side
    149,490,310.80x = 33,457,473,310,411,408
  5. Step 5: Solve for x
    x = 33,457,473,310,411,408/149,490,310.80
  6. Step 6: Final answer
    x = 223,810,313.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.