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Finding the Fourth Proportional to 73,613.40, 110,421.90 and 26,866.26

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Solution

The fourth proportional to 73,613.40, 110,421.90 and 26,866.26 is: 40,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.40 : 110,421.90 = 26,866.26 : x
  2. Step 2: Convert to fraction form
    73,613.40/110,421.90 = 26,866.26/x
  3. Step 3: Cross multiply
    73,613.40x = 110,421.90 × 26,866.26
  4. Step 4: Simplify right side
    73,613.40x = 2,966,623,475.09
  5. Step 5: Solve for x
    x = 2,966,623,475.09/73,613.40
  6. Step 6: Final answer
    x = 40,300.05

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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.