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Finding the Fourth Proportional to 79,605.70, 119,312.42 and 35,182.06

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Solution

The fourth proportional to 79,605.70, 119,312.42 and 35,182.06 is: 52,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,605.70 : 119,312.42 = 35,182.06 : x
  2. Step 2: Convert to fraction form
    79,605.70/119,312.42 = 35,182.06/x
  3. Step 3: Cross multiply
    79,605.70x = 119,312.42 × 35,182.06
  4. Step 4: Simplify right side
    79,605.70x = 4,197,656,719.19
  5. Step 5: Solve for x
    x = 4,197,656,719.19/79,605.70
  6. Step 6: Final answer
    x = 52,730.60

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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.