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Finding the Fourth Proportional to 97,776.40, 137,255.60 and 97,776.40

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Solution

The fourth proportional to 97,776.40, 137,255.60 and 97,776.40 is: 137,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,776.40 : 137,255.60 = 97,776.40 : x
  2. Step 2: Convert to fraction form
    97,776.40/137,255.60 = 97,776.40/x
  3. Step 3: Cross multiply
    97,776.40x = 137,255.60 × 97,776.40
  4. Step 4: Simplify right side
    97,776.40x = 13,420,358,447.84
  5. Step 5: Solve for x
    x = 13,420,358,447.84/97,776.40
  6. Step 6: Final answer
    x = 137,255.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.