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Finding the Fourth Proportional to 354,264.25, 531,394.39 and 88,024.65

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Solution

The fourth proportional to 354,264.25, 531,394.39 and 88,024.65 is: 132,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,264.25 : 531,394.39 = 88,024.65 : x
  2. Step 2: Convert to fraction form
    354,264.25/531,394.39 = 88,024.65/x
  3. Step 3: Cross multiply
    354,264.25x = 531,394.39 × 88,024.65
  4. Step 4: Simplify right side
    354,264.25x = 46,775,805,191.71
  5. Step 5: Solve for x
    x = 46,775,805,191.71/354,264.25
  6. Step 6: Final answer
    x = 132,036.48

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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.