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Finding the Fourth Proportional to 157,796.79, 236,695.20 and 39,468.13

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Solution

The fourth proportional to 157,796.79, 236,695.20 and 39,468.13 is: 59,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,796.79 : 236,695.20 = 39,468.13 : x
  2. Step 2: Convert to fraction form
    157,796.79/236,695.20 = 39,468.13/x
  3. Step 3: Cross multiply
    157,796.79x = 236,695.20 × 39,468.13
  4. Step 4: Simplify right side
    157,796.79x = 9,341,916,923.98
  5. Step 5: Solve for x
    x = 9,341,916,923.98/157,796.79
  6. Step 6: Final answer
    x = 59,202.20

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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.