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Finding the Fourth Proportional to 148,801.60, 223,432.80 and 86,593.60

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Solution

The fourth proportional to 148,801.60, 223,432.80 and 86,593.60 is: 130,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,801.60 : 223,432.80 = 86,593.60 : x
  2. Step 2: Convert to fraction form
    148,801.60/223,432.80 = 86,593.60/x
  3. Step 3: Cross multiply
    148,801.60x = 223,432.80 × 86,593.60
  4. Step 4: Simplify right side
    148,801.60x = 19,347,850,510.08
  5. Step 5: Solve for x
    x = 19,347,850,510.08/148,801.60
  6. Step 6: Final answer
    x = 130,024.48

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1.5x scale

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.