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Finding the Fourth Proportional to 73,865.68, 101,933.36 and 42,033.92

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Solution

The fourth proportional to 73,865.68, 101,933.36 and 42,033.92 is: 58,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.68 : 101,933.36 = 42,033.92 : x
  2. Step 2: Convert to fraction form
    73,865.68/101,933.36 = 42,033.92/x
  3. Step 3: Cross multiply
    73,865.68x = 101,933.36 × 42,033.92
  4. Step 4: Simplify right side
    73,865.68x = 4,284,658,699.57
  5. Step 5: Solve for x
    x = 4,284,658,699.57/73,865.68
  6. Step 6: Final answer
    x = 58,006.08

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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.