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Finding the Fourth Proportional to 236,301.60, 354,711.60 and 147,655.20

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Solution

The fourth proportional to 236,301.60, 354,711.60 and 147,655.20 is: 221,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,301.60 : 354,711.60 = 147,655.20 : x
  2. Step 2: Convert to fraction form
    236,301.60/354,711.60 = 147,655.20/x
  3. Step 3: Cross multiply
    236,301.60x = 354,711.60 × 147,655.20
  4. Step 4: Simplify right side
    236,301.60x = 52,375,012,240.32
  5. Step 5: Solve for x
    x = 52,375,012,240.32/236,301.60
  6. Step 6: Final answer
    x = 221,644.76

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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.