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Finding the Fourth Proportional to 114,581.31, 158,155.92 and 74,297.58

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Solution

The fourth proportional to 114,581.31, 158,155.92 and 74,297.58 is: 102,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,581.31 : 158,155.92 = 74,297.58 : x
  2. Step 2: Convert to fraction form
    114,581.31/158,155.92 = 74,297.58/x
  3. Step 3: Cross multiply
    114,581.31x = 158,155.92 × 74,297.58
  4. Step 4: Simplify right side
    114,581.31x = 11,750,602,118.67
  5. Step 5: Solve for x
    x = 11,750,602,118.67/114,581.31
  6. Step 6: Final answer
    x = 102,552.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.