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Finding the Fourth Proportional to 225,045.60, 337,309.20 and 91,838.40

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Solution

The fourth proportional to 225,045.60, 337,309.20 and 91,838.40 is: 137,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,045.60 : 337,309.20 = 91,838.40 : x
  2. Step 2: Convert to fraction form
    225,045.60/337,309.20 = 91,838.40/x
  3. Step 3: Cross multiply
    225,045.60x = 337,309.20 × 91,838.40
  4. Step 4: Simplify right side
    225,045.60x = 30,977,937,233.28
  5. Step 5: Solve for x
    x = 30,977,937,233.28/225,045.60
  6. Step 6: Final answer
    x = 137,651.82

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1.5x scale

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.