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Finding the Fourth Proportional to 224,312.16, 309,542.18 and 123,710.16

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Solution

The fourth proportional to 224,312.16, 309,542.18 and 123,710.16 is: 170,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,312.16 : 309,542.18 = 123,710.16 : x
  2. Step 2: Convert to fraction form
    224,312.16/309,542.18 = 123,710.16/x
  3. Step 3: Cross multiply
    224,312.16x = 309,542.18 × 123,710.16
  4. Step 4: Simplify right side
    224,312.16x = 38,293,512,614.55
  5. Step 5: Solve for x
    x = 38,293,512,614.55/224,312.16
  6. Step 6: Final answer
    x = 170,715.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.