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Finding the Fourth Proportional to 84,297.49, 125,831.27 and 73,656.56

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Solution

The fourth proportional to 84,297.49, 125,831.27 and 73,656.56 is: 109,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,297.49 : 125,831.27 = 73,656.56 : x
  2. Step 2: Convert to fraction form
    84,297.49/125,831.27 = 73,656.56/x
  3. Step 3: Cross multiply
    84,297.49x = 125,831.27 × 73,656.56
  4. Step 4: Simplify right side
    84,297.49x = 9,268,298,279.55
  5. Step 5: Solve for x
    x = 9,268,298,279.55/84,297.49
  6. Step 6: Final answer
    x = 109,947.50

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.