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Finding the Fourth Proportional to 114,036.33, 171,061.53 and 43,915.71

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Solution

The fourth proportional to 114,036.33, 171,061.53 and 43,915.71 is: 65,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,036.33 : 171,061.53 = 43,915.71 : x
  2. Step 2: Convert to fraction form
    114,036.33/171,061.53 = 43,915.71/x
  3. Step 3: Cross multiply
    114,036.33x = 171,061.53 × 43,915.71
  4. Step 4: Simplify right side
    114,036.33x = 7,512,288,543.64
  5. Step 5: Solve for x
    x = 7,512,288,543.64/114,036.33
  6. Step 6: Final answer
    x = 65,876.27

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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.