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Finding the Fourth Proportional to 251,104.18, 376,656.90 and 61,565.40

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Solution

The fourth proportional to 251,104.18, 376,656.90 and 61,565.40 is: 92,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,104.18 : 376,656.90 = 61,565.40 : x
  2. Step 2: Convert to fraction form
    251,104.18/376,656.90 = 61,565.40/x
  3. Step 3: Cross multiply
    251,104.18x = 376,656.90 × 61,565.40
  4. Step 4: Simplify right side
    251,104.18x = 23,189,032,711.26
  5. Step 5: Solve for x
    x = 23,189,032,711.26/251,104.18
  6. Step 6: Final answer
    x = 92,348.25

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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.