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Finding the Fourth Proportional to 225,896.16, 338,838.48 and 59,685.60

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Solution

The fourth proportional to 225,896.16, 338,838.48 and 59,685.60 is: 89,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,896.16 : 338,838.48 = 59,685.60 : x
  2. Step 2: Convert to fraction form
    225,896.16/338,838.48 = 59,685.60/x
  3. Step 3: Cross multiply
    225,896.16x = 338,838.48 × 59,685.60
  4. Step 4: Simplify right side
    225,896.16x = 20,223,777,981.89
  5. Step 5: Solve for x
    x = 20,223,777,981.89/225,896.16
  6. Step 6: Final answer
    x = 89,526.88

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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.