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Finding the Fourth Proportional to 313,177.92, 469,707.84 and 88,536.57

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Solution

The fourth proportional to 313,177.92, 469,707.84 and 88,536.57 is: 132,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,177.92 : 469,707.84 = 88,536.57 : x
  2. Step 2: Convert to fraction form
    313,177.92/469,707.84 = 88,536.57/x
  3. Step 3: Cross multiply
    313,177.92x = 469,707.84 × 88,536.57
  4. Step 4: Simplify right side
    313,177.92x = 41,586,321,055.71
  5. Step 5: Solve for x
    x = 41,586,321,055.71/313,177.92
  6. Step 6: Final answer
    x = 132,788.16

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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.