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Finding the Fourth Proportional to 282,042.76, 423,065.60 and 95,055.88

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Solution

The fourth proportional to 282,042.76, 423,065.60 and 95,055.88 is: 142,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,042.76 : 423,065.60 = 95,055.88 : x
  2. Step 2: Convert to fraction form
    282,042.76/423,065.60 = 95,055.88/x
  3. Step 3: Cross multiply
    282,042.76x = 423,065.60 × 95,055.88
  4. Step 4: Simplify right side
    282,042.76x = 40,214,872,905.73
  5. Step 5: Solve for x
    x = 40,214,872,905.73/282,042.76
  6. Step 6: Final answer
    x = 142,584.31

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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.