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Finding the Fourth Proportional to 92,807.10, 139,212.81 and 22,687.02

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Solution

The fourth proportional to 92,807.10, 139,212.81 and 22,687.02 is: 34,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,807.10 : 139,212.81 = 22,687.02 : x
  2. Step 2: Convert to fraction form
    92,807.10/139,212.81 = 22,687.02/x
  3. Step 3: Cross multiply
    92,807.10x = 139,212.81 × 22,687.02
  4. Step 4: Simplify right side
    92,807.10x = 3,158,323,804.73
  5. Step 5: Solve for x
    x = 3,158,323,804.73/92,807.10
  6. Step 6: Final answer
    x = 34,031.06

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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.