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Finding the Fourth Proportional to 101,477.80, 140,039.85 and 59,037.85

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Solution

The fourth proportional to 101,477.80, 140,039.85 and 59,037.85 is: 81,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,477.80 : 140,039.85 = 59,037.85 : x
  2. Step 2: Convert to fraction form
    101,477.80/140,039.85 = 59,037.85/x
  3. Step 3: Cross multiply
    101,477.80x = 140,039.85 × 59,037.85
  4. Step 4: Simplify right side
    101,477.80x = 8,267,651,658.32
  5. Step 5: Solve for x
    x = 8,267,651,658.32/101,477.80
  6. Step 6: Final answer
    x = 81,472.52

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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.