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Finding the Fourth Proportional to 79,417.01, 119,147.38 and 26,863.40

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Solution

The fourth proportional to 79,417.01, 119,147.38 and 26,863.40 is: 40,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.01 : 119,147.38 = 26,863.40 : x
  2. Step 2: Convert to fraction form
    79,417.01/119,147.38 = 26,863.40/x
  3. Step 3: Cross multiply
    79,417.01x = 119,147.38 × 26,863.40
  4. Step 4: Simplify right side
    79,417.01x = 3,200,703,065.00
  5. Step 5: Solve for x
    x = 3,200,703,065.00/79,417.01
  6. Step 6: Final answer
    x = 40,302.49

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1.5x scale

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.