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Finding the Fourth Proportional to 154,599.63, 231,928.59 and 58,565.59

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Solution

The fourth proportional to 154,599.63, 231,928.59 and 58,565.59 is: 87,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,599.63 : 231,928.59 = 58,565.59 : x
  2. Step 2: Convert to fraction form
    154,599.63/231,928.59 = 58,565.59/x
  3. Step 3: Cross multiply
    154,599.63x = 231,928.59 × 58,565.59
  4. Step 4: Simplify right side
    154,599.63x = 13,583,034,711.22
  5. Step 5: Solve for x
    x = 13,583,034,711.22/154,599.63
  6. Step 6: Final answer
    x = 87,859.43

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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.