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Finding the Fourth Proportional to 148,482.40, 222,723.60 and 43,304.80

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Solution

The fourth proportional to 148,482.40, 222,723.60 and 43,304.80 is: 64,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,482.40 : 222,723.60 = 43,304.80 : x
  2. Step 2: Convert to fraction form
    148,482.40/222,723.60 = 43,304.80/x
  3. Step 3: Cross multiply
    148,482.40x = 222,723.60 × 43,304.80
  4. Step 4: Simplify right side
    148,482.40x = 9,645,000,953.28
  5. Step 5: Solve for x
    x = 9,645,000,953.28/148,482.40
  6. Step 6: Final answer
    x = 64,957.20

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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.