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Finding the Fourth Proportional to 157,073.09, 216,836.15 and 96,695.49

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Solution

The fourth proportional to 157,073.09, 216,836.15 and 96,695.49 is: 133,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073.09 : 216,836.15 = 96,695.49 : x
  2. Step 2: Convert to fraction form
    157,073.09/216,836.15 = 96,695.49/x
  3. Step 3: Cross multiply
    157,073.09x = 216,836.15 × 96,695.49
  4. Step 4: Simplify right side
    157,073.09x = 20,967,078,197.01
  5. Step 5: Solve for x
    x = 20,967,078,197.01/157,073.09
  6. Step 6: Final answer
    x = 133,486.12

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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.