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Finding the Fourth Proportional to 148,939.60, 223,409.40 and 147,902.80

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Solution

The fourth proportional to 148,939.60, 223,409.40 and 147,902.80 is: 221,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939.60 : 223,409.40 = 147,902.80 : x
  2. Step 2: Convert to fraction form
    148,939.60/223,409.40 = 147,902.80/x
  3. Step 3: Cross multiply
    148,939.60x = 223,409.40 × 147,902.80
  4. Step 4: Simplify right side
    148,939.60x = 33,042,875,806.32
  5. Step 5: Solve for x
    x = 33,042,875,806.32/148,939.60
  6. Step 6: Final answer
    x = 221,854.20

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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.