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Finding the Fourth Proportional to 225,552.90, 338,117.42 and 75,688.08

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Solution

The fourth proportional to 225,552.90, 338,117.42 and 75,688.08 is: 113,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,552.90 : 338,117.42 = 75,688.08 : x
  2. Step 2: Convert to fraction form
    225,552.90/338,117.42 = 75,688.08/x
  3. Step 3: Cross multiply
    225,552.90x = 338,117.42 × 75,688.08
  4. Step 4: Simplify right side
    225,552.90x = 25,591,458,334.35
  5. Step 5: Solve for x
    x = 25,591,458,334.35/225,552.90
  6. Step 6: Final answer
    x = 113,461.00

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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.