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Finding the Fourth Proportional to 88,807.40, 133,263.63 and 32,686.92

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Solution

The fourth proportional to 88,807.40, 133,263.63 and 32,686.92 is: 49,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,807.40 : 133,263.63 = 32,686.92 : x
  2. Step 2: Convert to fraction form
    88,807.40/133,263.63 = 32,686.92/x
  3. Step 3: Cross multiply
    88,807.40x = 133,263.63 × 32,686.92
  4. Step 4: Simplify right side
    88,807.40x = 4,355,977,612.72
  5. Step 5: Solve for x
    x = 4,355,977,612.72/88,807.40
  6. Step 6: Final answer
    x = 49,049.71

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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.