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Finding the Fourth Proportional to 92,766.71, 139,056.58 and 36,585.11

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Solution

The fourth proportional to 92,766.71, 139,056.58 and 36,585.11 is: 54,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,766.71 : 139,056.58 = 36,585.11 : x
  2. Step 2: Convert to fraction form
    92,766.71/139,056.58 = 36,585.11/x
  3. Step 3: Cross multiply
    92,766.71x = 139,056.58 × 36,585.11
  4. Step 4: Simplify right side
    92,766.71x = 5,087,400,275.52
  5. Step 5: Solve for x
    x = 5,087,400,275.52/92,766.71
  6. Step 6: Final answer
    x = 54,840.80

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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.