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Finding the Fourth Proportional to 120,060.80, 180,084.68 and 60,894.92

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Solution

The fourth proportional to 120,060.80, 180,084.68 and 60,894.92 is: 91,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,060.80 : 180,084.68 = 60,894.92 : x
  2. Step 2: Convert to fraction form
    120,060.80/180,084.68 = 60,894.92/x
  3. Step 3: Cross multiply
    120,060.80x = 180,084.68 × 60,894.92
  4. Step 4: Simplify right side
    120,060.80x = 10,966,242,898.45
  5. Step 5: Solve for x
    x = 10,966,242,898.45/120,060.80
  6. Step 6: Final answer
    x = 91,339.08

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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.