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Finding the Fourth Proportional to 194,155.88, 291,246.33 and 61,041.29

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Solution

The fourth proportional to 194,155.88, 291,246.33 and 61,041.29 is: 91,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,155.88 : 291,246.33 = 61,041.29 : x
  2. Step 2: Convert to fraction form
    194,155.88/291,246.33 = 61,041.29/x
  3. Step 3: Cross multiply
    194,155.88x = 291,246.33 × 61,041.29
  4. Step 4: Simplify right side
    194,155.88x = 17,778,050,234.73
  5. Step 5: Solve for x
    x = 17,778,050,234.73/194,155.88
  6. Step 6: Final answer
    x = 91,565.86

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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.