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Finding the Fourth Proportional to 105,069.98, 144,995.85 and 59,747.96

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Solution

The fourth proportional to 105,069.98, 144,995.85 and 59,747.96 is: 82,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,069.98 : 144,995.85 = 59,747.96 : x
  2. Step 2: Convert to fraction form
    105,069.98/144,995.85 = 59,747.96/x
  3. Step 3: Cross multiply
    105,069.98x = 144,995.85 × 59,747.96
  4. Step 4: Simplify right side
    105,069.98x = 8,663,205,520.99
  5. Step 5: Solve for x
    x = 8,663,205,520.99/105,069.98
  6. Step 6: Final answer
    x = 82,451.77

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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.