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Finding the Fourth Proportional to 141,189.53, 194,773.15 and 93,482.86

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Solution

The fourth proportional to 141,189.53, 194,773.15 and 93,482.86 is: 128,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.53 : 194,773.15 = 93,482.86 : x
  2. Step 2: Convert to fraction form
    141,189.53/194,773.15 = 93,482.86/x
  3. Step 3: Cross multiply
    141,189.53x = 194,773.15 × 93,482.86
  4. Step 4: Simplify right side
    141,189.53x = 18,207,950,392.57
  5. Step 5: Solve for x
    x = 18,207,950,392.57/141,189.53
  6. Step 6: Final answer
    x = 128,961.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.