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Finding the Fourth Proportional to 157,347.71, 236,042.15 and 57,554.90

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Solution

The fourth proportional to 157,347.71, 236,042.15 and 57,554.90 is: 86,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,347.71 : 236,042.15 = 57,554.90 : x
  2. Step 2: Convert to fraction form
    157,347.71/236,042.15 = 57,554.90/x
  3. Step 3: Cross multiply
    157,347.71x = 236,042.15 × 57,554.90
  4. Step 4: Simplify right side
    157,347.71x = 13,585,383,407.69
  5. Step 5: Solve for x
    x = 13,585,383,407.69/157,347.71
  6. Step 6: Final answer
    x = 86,339.88

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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.