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Finding the Fourth Proportional to 225,094.40, 337,641.60 and 91,887.20

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Solution

The fourth proportional to 225,094.40, 337,641.60 and 91,887.20 is: 137,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,094.40 : 337,641.60 = 91,887.20 : x
  2. Step 2: Convert to fraction form
    225,094.40/337,641.60 = 91,887.20/x
  3. Step 3: Cross multiply
    225,094.40x = 337,641.60 × 91,887.20
  4. Step 4: Simplify right side
    225,094.40x = 31,024,941,227.52
  5. Step 5: Solve for x
    x = 31,024,941,227.52/225,094.40
  6. Step 6: Final answer
    x = 137,830.80

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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.