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Finding the Fourth Proportional to 92,482.61, 138,724.88 and 32,512.76

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Solution

The fourth proportional to 92,482.61, 138,724.88 and 32,512.76 is: 48,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,482.61 : 138,724.88 = 32,512.76 : x
  2. Step 2: Convert to fraction form
    92,482.61/138,724.88 = 32,512.76/x
  3. Step 3: Cross multiply
    92,482.61x = 138,724.88 × 32,512.76
  4. Step 4: Simplify right side
    92,482.61x = 4,510,328,913.72
  5. Step 5: Solve for x
    x = 4,510,328,913.72/92,482.61
  6. Step 6: Final answer
    x = 48,769.48

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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.