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Finding the Fourth Proportional to 158,691.76, 238,078.64 and 58,880.42

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Solution

The fourth proportional to 158,691.76, 238,078.64 and 58,880.42 is: 88,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,691.76 : 238,078.64 = 58,880.42 : x
  2. Step 2: Convert to fraction form
    158,691.76/238,078.64 = 58,880.42/x
  3. Step 3: Cross multiply
    158,691.76x = 238,078.64 × 58,880.42
  4. Step 4: Simplify right side
    158,691.76x = 14,018,170,165.83
  5. Step 5: Solve for x
    x = 14,018,170,165.83/158,691.76
  6. Step 6: Final answer
    x = 88,335.84

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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.