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Finding the Fourth Proportional to 73,918.80, 110,894.40 and 29,534.40

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Solution

The fourth proportional to 73,918.80, 110,894.40 and 29,534.40 is: 44,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,918.80 : 110,894.40 = 29,534.40 : x
  2. Step 2: Convert to fraction form
    73,918.80/110,894.40 = 29,534.40/x
  3. Step 3: Cross multiply
    73,918.80x = 110,894.40 × 29,534.40
  4. Step 4: Simplify right side
    73,918.80x = 3,275,199,567.36
  5. Step 5: Solve for x
    x = 3,275,199,567.36/73,918.80
  6. Step 6: Final answer
    x = 44,308.07

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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.