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Finding the Fourth Proportional to 148,642.80, 222,964.20 and 48,818.40

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Solution

The fourth proportional to 148,642.80, 222,964.20 and 48,818.40 is: 73,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,642.80 : 222,964.20 = 48,818.40 : x
  2. Step 2: Convert to fraction form
    148,642.80/222,964.20 = 48,818.40/x
  3. Step 3: Cross multiply
    148,642.80x = 222,964.20 × 48,818.40
  4. Step 4: Simplify right side
    148,642.80x = 10,884,755,501.28
  5. Step 5: Solve for x
    x = 10,884,755,501.28/148,642.80
  6. Step 6: Final answer
    x = 73,227.60

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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.