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Finding the Fourth Proportional to 247,301.10, 370,951.65 and 147,573.90

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Solution

The fourth proportional to 247,301.10, 370,951.65 and 147,573.90 is: 221,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,301.10 : 370,951.65 = 147,573.90 : x
  2. Step 2: Convert to fraction form
    247,301.10/370,951.65 = 147,573.90/x
  3. Step 3: Cross multiply
    247,301.10x = 370,951.65 × 147,573.90
  4. Step 4: Simplify right side
    247,301.10x = 54,742,781,701.94
  5. Step 5: Solve for x
    x = 54,742,781,701.94/247,301.10
  6. Step 6: Final answer
    x = 221,360.85

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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.