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Finding the Fourth Proportional to 113,175.60, 169,764.84 and 57,810.48

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Solution

The fourth proportional to 113,175.60, 169,764.84 and 57,810.48 is: 86,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,175.60 : 169,764.84 = 57,810.48 : x
  2. Step 2: Convert to fraction form
    113,175.60/169,764.84 = 57,810.48/x
  3. Step 3: Cross multiply
    113,175.60x = 169,764.84 × 57,810.48
  4. Step 4: Simplify right side
    113,175.60x = 9,814,186,887.52
  5. Step 5: Solve for x
    x = 9,814,186,887.52/113,175.60
  6. Step 6: Final answer
    x = 86,716.46

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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.