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Finding the Fourth Proportional to 295,154.40, 442,672.56 and 84,743.04

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Solution

The fourth proportional to 295,154.40, 442,672.56 and 84,743.04 is: 127,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,154.40 : 442,672.56 = 84,743.04 : x
  2. Step 2: Convert to fraction form
    295,154.40/442,672.56 = 84,743.04/x
  3. Step 3: Cross multiply
    295,154.40x = 442,672.56 × 84,743.04
  4. Step 4: Simplify right side
    295,154.40x = 37,513,418,458.98
  5. Step 5: Solve for x
    x = 37,513,418,458.98/295,154.40
  6. Step 6: Final answer
    x = 127,097.61

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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.