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Finding the Fourth Proportional to 159,279.57, 238,917.45 and 64,484.07

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Solution

The fourth proportional to 159,279.57, 238,917.45 and 64,484.07 is: 96,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,279.57 : 238,917.45 = 64,484.07 : x
  2. Step 2: Convert to fraction form
    159,279.57/238,917.45 = 64,484.07/x
  3. Step 3: Cross multiply
    159,279.57x = 238,917.45 × 64,484.07
  4. Step 4: Simplify right side
    159,279.57x = 15,406,369,570.02
  5. Step 5: Solve for x
    x = 15,406,369,570.02/159,279.57
  6. Step 6: Final answer
    x = 96,725.33

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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.