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Finding the Fourth Proportional to 147,812.40, 221,747.40 and 59,050.80

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Solution

The fourth proportional to 147,812.40, 221,747.40 and 59,050.80 is: 88,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,812.40 : 221,747.40 = 59,050.80 : x
  2. Step 2: Convert to fraction form
    147,812.40/221,747.40 = 59,050.80/x
  3. Step 3: Cross multiply
    147,812.40x = 221,747.40 × 59,050.80
  4. Step 4: Simplify right side
    147,812.40x = 13,094,361,367.92
  5. Step 5: Solve for x
    x = 13,094,361,367.92/147,812.40
  6. Step 6: Final answer
    x = 88,587.71

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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.