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Finding the Fourth Proportional to 113,057.57, 169,589.96 and 56,866.98

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Solution

The fourth proportional to 113,057.57, 169,589.96 and 56,866.98 is: 85,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,057.57 : 169,589.96 = 56,866.98 : x
  2. Step 2: Convert to fraction form
    113,057.57/169,589.96 = 56,866.98/x
  3. Step 3: Cross multiply
    113,057.57x = 169,589.96 × 56,866.98
  4. Step 4: Simplify right side
    113,057.57x = 9,644,068,579.19
  5. Step 5: Solve for x
    x = 9,644,068,579.19/113,057.57
  6. Step 6: Final answer
    x = 85,302.28

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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.