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Finding the Fourth Proportional to 158,708.64, 238,076.94 and 58,869.90

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Solution

The fourth proportional to 158,708.64, 238,076.94 and 58,869.90 is: 88,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,708.64 : 238,076.94 = 58,869.90 : x
  2. Step 2: Convert to fraction form
    158,708.64/238,076.94 = 58,869.90/x
  3. Step 3: Cross multiply
    158,708.64x = 238,076.94 × 58,869.90
  4. Step 4: Simplify right side
    158,708.64x = 14,015,565,650.11
  5. Step 5: Solve for x
    x = 14,015,565,650.11/158,708.64
  6. Step 6: Final answer
    x = 88,310.04

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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.