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Finding the Fourth Proportional to 157,437.56, 236,208.18 and 63,918.20

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Solution

The fourth proportional to 157,437.56, 236,208.18 and 63,918.20 is: 95,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,437.56 : 236,208.18 = 63,918.20 : x
  2. Step 2: Convert to fraction form
    157,437.56/236,208.18 = 63,918.20/x
  3. Step 3: Cross multiply
    157,437.56x = 236,208.18 × 63,918.20
  4. Step 4: Simplify right side
    157,437.56x = 15,098,001,690.88
  5. Step 5: Solve for x
    x = 15,098,001,690.88/157,437.56
  6. Step 6: Final answer
    x = 95,898.35

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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.