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Finding the Fourth Proportional to 79,350.40, 119,035.38 and 34,988.32

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Solution

The fourth proportional to 79,350.40, 119,035.38 and 34,988.32 is: 52,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.40 : 119,035.38 = 34,988.32 : x
  2. Step 2: Convert to fraction form
    79,350.40/119,035.38 = 34,988.32/x
  3. Step 3: Cross multiply
    79,350.40x = 119,035.38 × 34,988.32
  4. Step 4: Simplify right side
    79,350.40x = 4,164,847,966.76
  5. Step 5: Solve for x
    x = 4,164,847,966.76/79,350.40
  6. Step 6: Final answer
    x = 52,486.79

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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.