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Finding the Fourth Proportional to 107,152.22, 160,717.05 and 43,979.02

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Solution

The fourth proportional to 107,152.22, 160,717.05 and 43,979.02 is: 65,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,152.22 : 160,717.05 = 43,979.02 : x
  2. Step 2: Convert to fraction form
    107,152.22/160,717.05 = 43,979.02/x
  3. Step 3: Cross multiply
    107,152.22x = 160,717.05 × 43,979.02
  4. Step 4: Simplify right side
    107,152.22x = 7,068,178,356.29
  5. Step 5: Solve for x
    x = 7,068,178,356.29/107,152.22
  6. Step 6: Final answer
    x = 65,963.90

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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.