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Finding the Fourth Proportional to 141,184, 194,877.66 and 90,883

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Solution

The fourth proportional to 141,184, 194,877.66 and 90,883 is: 125,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,184 : 194,877.66 = 90,883 : x
  2. Step 2: Convert to fraction form
    141,184/194,877.66 = 90,883/x
  3. Step 3: Cross multiply
    141,184x = 194,877.66 × 90,883
  4. Step 4: Simplify right side
    141,184x = 17,711,066,373.78
  5. Step 5: Solve for x
    x = 17,711,066,373.78/141,184
  6. Step 6: Final answer
    x = 125,446.70

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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.