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Finding the Fourth Proportional to 164,957.20, 247,435.80 and 141,337.60

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Solution

The fourth proportional to 164,957.20, 247,435.80 and 141,337.60 is: 212,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,957.20 : 247,435.80 = 141,337.60 : x
  2. Step 2: Convert to fraction form
    164,957.20/247,435.80 = 141,337.60/x
  3. Step 3: Cross multiply
    164,957.20x = 247,435.80 × 141,337.60
  4. Step 4: Simplify right side
    164,957.20x = 34,971,982,126.08
  5. Step 5: Solve for x
    x = 34,971,982,126.08/164,957.20
  6. Step 6: Final answer
    x = 212,006.40

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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.