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Finding the Fourth Proportional to 149,385.20, 224,117.40 and 65,109.20

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Solution

The fourth proportional to 149,385.20, 224,117.40 and 65,109.20 is: 97,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,385.20 : 224,117.40 = 65,109.20 : x
  2. Step 2: Convert to fraction form
    149,385.20/224,117.40 = 65,109.20/x
  3. Step 3: Cross multiply
    149,385.20x = 224,117.40 × 65,109.20
  4. Step 4: Simplify right side
    149,385.20x = 14,592,104,620.08
  5. Step 5: Solve for x
    x = 14,592,104,620.08/149,385.20
  6. Step 6: Final answer
    x = 97,681.06

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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.