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Finding the Fourth Proportional to 228,116.10, 342,174.15 and 61,904.10

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Solution

The fourth proportional to 228,116.10, 342,174.15 and 61,904.10 is: 92,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,116.10 : 342,174.15 = 61,904.10 : x
  2. Step 2: Convert to fraction form
    228,116.10/342,174.15 = 61,904.10/x
  3. Step 3: Cross multiply
    228,116.10x = 342,174.15 × 61,904.10
  4. Step 4: Simplify right side
    228,116.10x = 21,181,982,799.02
  5. Step 5: Solve for x
    x = 21,181,982,799.02/228,116.10
  6. Step 6: Final answer
    x = 92,856.15

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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.