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Finding the Fourth Proportional to 225,149.12, 337,840.08 and 98,878.10

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Solution

The fourth proportional to 225,149.12, 337,840.08 and 98,878.10 is: 148,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,149.12 : 337,840.08 = 98,878.10 : x
  2. Step 2: Convert to fraction form
    225,149.12/337,840.08 = 98,878.10/x
  3. Step 3: Cross multiply
    225,149.12x = 337,840.08 × 98,878.10
  4. Step 4: Simplify right side
    225,149.12x = 33,404,984,719.86
  5. Step 5: Solve for x
    x = 33,404,984,719.86/225,149.12
  6. Step 6: Final answer
    x = 148,368.27

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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.