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Finding the Fourth Proportional to 157,641.87, 236,460.31 and 73,354.89

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Solution

The fourth proportional to 157,641.87, 236,460.31 and 73,354.89 is: 110,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,641.87 : 236,460.31 = 73,354.89 : x
  2. Step 2: Convert to fraction form
    157,641.87/236,460.31 = 73,354.89/x
  3. Step 3: Cross multiply
    157,641.87x = 236,460.31 × 73,354.89
  4. Step 4: Simplify right side
    157,641.87x = 17,345,520,029.42
  5. Step 5: Solve for x
    x = 17,345,520,029.42/157,641.87
  6. Step 6: Final answer
    x = 110,031.17

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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.