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Finding the Fourth Proportional to 79,158, 118,740.68 and 44,071.24

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Solution

The fourth proportional to 79,158, 118,740.68 and 44,071.24 is: 66,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,158 : 118,740.68 = 44,071.24 : x
  2. Step 2: Convert to fraction form
    79,158/118,740.68 = 44,071.24/x
  3. Step 3: Cross multiply
    79,158x = 118,740.68 × 44,071.24
  4. Step 4: Simplify right side
    79,158x = 5,233,049,006.04
  5. Step 5: Solve for x
    x = 5,233,049,006.04/79,158
  6. Step 6: Final answer
    x = 66,108.91

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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.