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Finding the Fourth Proportional to 73,296.88, 101,149.69 and 39,762.88

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Solution

The fourth proportional to 73,296.88, 101,149.69 and 39,762.88 is: 54,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,296.88 : 101,149.69 = 39,762.88 : x
  2. Step 2: Convert to fraction form
    73,296.88/101,149.69 = 39,762.88/x
  3. Step 3: Cross multiply
    73,296.88x = 101,149.69 × 39,762.88
  4. Step 4: Simplify right side
    73,296.88x = 4,022,002,985.51
  5. Step 5: Solve for x
    x = 4,022,002,985.51/73,296.88
  6. Step 6: Final answer
    x = 54,872.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.