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Finding the Fourth Proportional to 157,852.92, 236,753.82 and 57,988.56

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Solution

The fourth proportional to 157,852.92, 236,753.82 and 57,988.56 is: 86,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,852.92 : 236,753.82 = 57,988.56 : x
  2. Step 2: Convert to fraction form
    157,852.92/236,753.82 = 57,988.56/x
  3. Step 3: Cross multiply
    157,852.92x = 236,753.82 × 57,988.56
  4. Step 4: Simplify right side
    157,852.92x = 13,729,013,096.30
  5. Step 5: Solve for x
    x = 13,729,013,096.30/157,852.92
  6. Step 6: Final answer
    x = 86,973.45

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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.