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Finding the Fourth Proportional to 148,898.88, 223,318.08 and 43,689.60

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Solution

The fourth proportional to 148,898.88, 223,318.08 and 43,689.60 is: 65,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,898.88 : 223,318.08 = 43,689.60 : x
  2. Step 2: Convert to fraction form
    148,898.88/223,318.08 = 43,689.60/x
  3. Step 3: Cross multiply
    148,898.88x = 223,318.08 × 43,689.60
  4. Step 4: Simplify right side
    148,898.88x = 9,756,677,587.97
  5. Step 5: Solve for x
    x = 9,756,677,587.97/148,898.88
  6. Step 6: Final answer
    x = 65,525.53

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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.