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Finding the Fourth Proportional to 172,245.49, 237,712.07 and 103,337.53

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Solution

The fourth proportional to 172,245.49, 237,712.07 and 103,337.53 is: 142,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,245.49 : 237,712.07 = 103,337.53 : x
  2. Step 2: Convert to fraction form
    172,245.49/237,712.07 = 103,337.53/x
  3. Step 3: Cross multiply
    172,245.49x = 237,712.07 × 103,337.53
  4. Step 4: Simplify right side
    172,245.49x = 24,564,577,916.34
  5. Step 5: Solve for x
    x = 24,564,577,916.34/172,245.49
  6. Step 6: Final answer
    x = 142,613.77

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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.