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Finding the Fourth Proportional to 147,217.16, 220,821.03 and 61,873.23

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Solution

The fourth proportional to 147,217.16, 220,821.03 and 61,873.23 is: 92,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217.16 : 220,821.03 = 61,873.23 : x
  2. Step 2: Convert to fraction form
    147,217.16/220,821.03 = 61,873.23/x
  3. Step 3: Cross multiply
    147,217.16x = 220,821.03 × 61,873.23
  4. Step 4: Simplify right side
    147,217.16x = 13,662,910,223.34
  5. Step 5: Solve for x
    x = 13,662,910,223.34/147,217.16
  6. Step 6: Final answer
    x = 92,807.87

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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.