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Finding the Fourth Proportional to 113,173.90, 169,594.68 and 56,936.71

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Solution

The fourth proportional to 113,173.90, 169,594.68 and 56,936.71 is: 85,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,173.90 : 169,594.68 = 56,936.71 : x
  2. Step 2: Convert to fraction form
    113,173.90/169,594.68 = 56,936.71/x
  3. Step 3: Cross multiply
    113,173.90x = 169,594.68 × 56,936.71
  4. Step 4: Simplify right side
    113,173.90x = 9,656,163,112.70
  5. Step 5: Solve for x
    x = 9,656,163,112.70/113,173.90
  6. Step 6: Final answer
    x = 85,321.47

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1.5x scale

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.