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Finding the Fourth Proportional to 312,903.27, 469,387.71 and 88,261.92

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Solution

The fourth proportional to 312,903.27, 469,387.71 and 88,261.92 is: 132,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,903.27 : 469,387.71 = 88,261.92 : x
  2. Step 2: Convert to fraction form
    312,903.27/469,387.71 = 88,261.92/x
  3. Step 3: Cross multiply
    312,903.27x = 469,387.71 × 88,261.92
  4. Step 4: Simplify right side
    312,903.27x = 41,429,060,509.00
  5. Step 5: Solve for x
    x = 41,429,060,509.00/312,903.27
  6. Step 6: Final answer
    x = 132,402.13

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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.