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Finding the Fourth Proportional to 113,251.40, 169,877.10 and 51,043.40

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Solution

The fourth proportional to 113,251.40, 169,877.10 and 51,043.40 is: 76,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,251.40 : 169,877.10 = 51,043.40 : x
  2. Step 2: Convert to fraction form
    113,251.40/169,877.10 = 51,043.40/x
  3. Step 3: Cross multiply
    113,251.40x = 169,877.10 × 51,043.40
  4. Step 4: Simplify right side
    113,251.40x = 8,671,104,766.14
  5. Step 5: Solve for x
    x = 8,671,104,766.14/113,251.40
  6. Step 6: Final answer
    x = 76,565.10

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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.