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Finding the Fourth Proportional to 132,473.88, 198,728.64 and 48,223.08

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Solution

The fourth proportional to 132,473.88, 198,728.64 and 48,223.08 is: 72,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,473.88 : 198,728.64 = 48,223.08 : x
  2. Step 2: Convert to fraction form
    132,473.88/198,728.64 = 48,223.08/x
  3. Step 3: Cross multiply
    132,473.88x = 198,728.64 × 48,223.08
  4. Step 4: Simplify right side
    132,473.88x = 9,583,307,105.01
  5. Step 5: Solve for x
    x = 9,583,307,105.01/132,473.88
  6. Step 6: Final answer
    x = 72,341.11

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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.