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Finding the Fourth Proportional to 148,475.80, 222,713.70 and 115,298.20

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Solution

The fourth proportional to 148,475.80, 222,713.70 and 115,298.20 is: 172,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,475.80 : 222,713.70 = 115,298.20 : x
  2. Step 2: Convert to fraction form
    148,475.80/222,713.70 = 115,298.20/x
  3. Step 3: Cross multiply
    148,475.80x = 222,713.70 × 115,298.20
  4. Step 4: Simplify right side
    148,475.80x = 25,678,488,725.34
  5. Step 5: Solve for x
    x = 25,678,488,725.34/148,475.80
  6. Step 6: Final answer
    x = 172,947.30

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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.