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Finding the Fourth Proportional to 60,831.29, 91,266.48 and 29,243.64

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Solution

The fourth proportional to 60,831.29, 91,266.48 and 29,243.64 is: 43,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.29 : 91,266.48 = 29,243.64 : x
  2. Step 2: Convert to fraction form
    60,831.29/91,266.48 = 29,243.64/x
  3. Step 3: Cross multiply
    60,831.29x = 91,266.48 × 29,243.64
  4. Step 4: Simplify right side
    60,831.29x = 2,668,964,085.19
  5. Step 5: Solve for x
    x = 2,668,964,085.19/60,831.29
  6. Step 6: Final answer
    x = 43,874.86

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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.