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Finding the Fourth Proportional to 154,392.60, 231,655.13 and 59,689.30

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Solution

The fourth proportional to 154,392.60, 231,655.13 and 59,689.30 is: 89,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,392.60 : 231,655.13 = 59,689.30 : x
  2. Step 2: Convert to fraction form
    154,392.60/231,655.13 = 59,689.30/x
  3. Step 3: Cross multiply
    154,392.60x = 231,655.13 × 59,689.30
  4. Step 4: Simplify right side
    154,392.60x = 13,827,332,551.11
  5. Step 5: Solve for x
    x = 13,827,332,551.11/154,392.60
  6. Step 6: Final answer
    x = 89,559.55

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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.