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Finding the Fourth Proportional to 239,043.60, 358,565.64 and 61,551

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Solution

The fourth proportional to 239,043.60, 358,565.64 and 61,551 is: 92,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,043.60 : 358,565.64 = 61,551 : x
  2. Step 2: Convert to fraction form
    239,043.60/358,565.64 = 61,551/x
  3. Step 3: Cross multiply
    239,043.60x = 358,565.64 × 61,551
  4. Step 4: Simplify right side
    239,043.60x = 22,070,073,707.64
  5. Step 5: Solve for x
    x = 22,070,073,707.64/239,043.60
  6. Step 6: Final answer
    x = 92,326.56

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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.