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Finding the Fourth Proportional to 159,077.39, 238,788.98 and 64,372.76

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Solution

The fourth proportional to 159,077.39, 238,788.98 and 64,372.76 is: 96,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,077.39 : 238,788.98 = 64,372.76 : x
  2. Step 2: Convert to fraction form
    159,077.39/238,788.98 = 64,372.76/x
  3. Step 3: Cross multiply
    159,077.39x = 238,788.98 × 64,372.76
  4. Step 4: Simplify right side
    159,077.39x = 15,371,506,458.09
  5. Step 5: Solve for x
    x = 15,371,506,458.09/159,077.39
  6. Step 6: Final answer
    x = 96,629.11

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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.