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Finding the Fourth Proportional to 148,487.40, 222,742.08 and 43,309.08

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Solution

The fourth proportional to 148,487.40, 222,742.08 and 43,309.08 is: 64,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.40 : 222,742.08 = 43,309.08 : x
  2. Step 2: Convert to fraction form
    148,487.40/222,742.08 = 43,309.08/x
  3. Step 3: Cross multiply
    148,487.40x = 222,742.08 × 43,309.08
  4. Step 4: Simplify right side
    148,487.40x = 9,646,754,562.09
  5. Step 5: Solve for x
    x = 9,646,754,562.09/148,487.40
  6. Step 6: Final answer
    x = 64,966.82

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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.