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Finding the Fourth Proportional to 117,224.40, 175,836.60 and 38,319.60

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Solution

The fourth proportional to 117,224.40, 175,836.60 and 38,319.60 is: 57,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.40 : 175,836.60 = 38,319.60 : x
  2. Step 2: Convert to fraction form
    117,224.40/175,836.60 = 38,319.60/x
  3. Step 3: Cross multiply
    117,224.40x = 175,836.60 × 38,319.60
  4. Step 4: Simplify right side
    117,224.40x = 6,737,988,177.36
  5. Step 5: Solve for x
    x = 6,737,988,177.36/117,224.40
  6. Step 6: Final answer
    x = 57,479.40

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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.