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Finding the Fourth Proportional to 88,730.70, 133,030.40 and 41,928.90

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Solution

The fourth proportional to 88,730.70, 133,030.40 and 41,928.90 is: 62,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.70 : 133,030.40 = 41,928.90 : x
  2. Step 2: Convert to fraction form
    88,730.70/133,030.40 = 41,928.90/x
  3. Step 3: Cross multiply
    88,730.70x = 133,030.40 × 41,928.90
  4. Step 4: Simplify right side
    88,730.70x = 5,577,818,338.56
  5. Step 5: Solve for x
    x = 5,577,818,338.56/88,730.70
  6. Step 6: Final answer
    x = 62,862.33

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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.