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Finding the Fourth Proportional to 157,235.97, 216,956.01 and 92,725.50

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Solution

The fourth proportional to 157,235.97, 216,956.01 and 92,725.50 is: 127,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,235.97 : 216,956.01 = 92,725.50 : x
  2. Step 2: Convert to fraction form
    157,235.97/216,956.01 = 92,725.50/x
  3. Step 3: Cross multiply
    157,235.97x = 216,956.01 × 92,725.50
  4. Step 4: Simplify right side
    157,235.97x = 20,117,354,505.26
  5. Step 5: Solve for x
    x = 20,117,354,505.26/157,235.97
  6. Step 6: Final answer
    x = 127,943.72

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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.