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Finding the Fourth Proportional to 73,057.95, 100,866.87 and 59,661.36

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Solution

The fourth proportional to 73,057.95, 100,866.87 and 59,661.36 is: 82,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,057.95 : 100,866.87 = 59,661.36 : x
  2. Step 2: Convert to fraction form
    73,057.95/100,866.87 = 59,661.36/x
  3. Step 3: Cross multiply
    73,057.95x = 100,866.87 × 59,661.36
  4. Step 4: Simplify right side
    73,057.95x = 6,017,854,643.14
  5. Step 5: Solve for x
    x = 6,017,854,643.14/73,057.95
  6. Step 6: Final answer
    x = 82,370.98

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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.