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Finding the Fourth Proportional to 147,173.60, 220,760.40 and 88,124.60

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Solution

The fourth proportional to 147,173.60, 220,760.40 and 88,124.60 is: 132,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,173.60 : 220,760.40 = 88,124.60 : x
  2. Step 2: Convert to fraction form
    147,173.60/220,760.40 = 88,124.60/x
  3. Step 3: Cross multiply
    147,173.60x = 220,760.40 × 88,124.60
  4. Step 4: Simplify right side
    147,173.60x = 19,454,421,945.84
  5. Step 5: Solve for x
    x = 19,454,421,945.84/147,173.60
  6. Step 6: Final answer
    x = 132,186.90

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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.