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Finding the Fourth Proportional to 157,888.96, 237,001.96 and 67,976.16

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Solution

The fourth proportional to 157,888.96, 237,001.96 and 67,976.16 is: 102,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,888.96 : 237,001.96 = 67,976.16 : x
  2. Step 2: Convert to fraction form
    157,888.96/237,001.96 = 67,976.16/x
  3. Step 3: Cross multiply
    157,888.96x = 237,001.96 × 67,976.16
  4. Step 4: Simplify right side
    157,888.96x = 16,110,483,153.27
  5. Step 5: Solve for x
    x = 16,110,483,153.27/157,888.96
  6. Step 6: Final answer
    x = 102,036.79

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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.