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Finding the Fourth Proportional to 119,965.88, 180,059.54 and 60,843.08

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Solution

The fourth proportional to 119,965.88, 180,059.54 and 60,843.08 is: 91,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,965.88 : 180,059.54 = 60,843.08 : x
  2. Step 2: Convert to fraction form
    119,965.88/180,059.54 = 60,843.08/x
  3. Step 3: Cross multiply
    119,965.88x = 180,059.54 × 60,843.08
  4. Step 4: Simplify right side
    119,965.88x = 10,955,376,692.77
  5. Step 5: Solve for x
    x = 10,955,376,692.77/119,965.88
  6. Step 6: Final answer
    x = 91,320.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.