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Finding the Fourth Proportional to 73,292.59, 101,143.60 and 39,758.59

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Solution

The fourth proportional to 73,292.59, 101,143.60 and 39,758.59 is: 54,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.59 : 101,143.60 = 39,758.59 : x
  2. Step 2: Convert to fraction form
    73,292.59/101,143.60 = 39,758.59/x
  3. Step 3: Cross multiply
    73,292.59x = 101,143.60 × 39,758.59
  4. Step 4: Simplify right side
    73,292.59x = 4,021,326,923.52
  5. Step 5: Solve for x
    x = 4,021,326,923.52/73,292.59
  6. Step 6: Final answer
    x = 54,866.76

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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.