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Finding the Fourth Proportional to 113,063.74, 169,599.20 and 56,873.16

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Solution

The fourth proportional to 113,063.74, 169,599.20 and 56,873.16 is: 85,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,063.74 : 169,599.20 = 56,873.16 : x
  2. Step 2: Convert to fraction form
    113,063.74/169,599.20 = 56,873.16/x
  3. Step 3: Cross multiply
    113,063.74x = 169,599.20 × 56,873.16
  4. Step 4: Simplify right side
    113,063.74x = 9,645,642,437.47
  5. Step 5: Solve for x
    x = 9,645,642,437.47/113,063.74
  6. Step 6: Final answer
    x = 85,311.55

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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.