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Finding the Fourth Proportional to 119,611.64, 179,528.63 and 60,489.74

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Solution

The fourth proportional to 119,611.64, 179,528.63 and 60,489.74 is: 90,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,611.64 : 179,528.63 = 60,489.74 : x
  2. Step 2: Convert to fraction form
    119,611.64/179,528.63 = 60,489.74/x
  3. Step 3: Cross multiply
    119,611.64x = 179,528.63 × 60,489.74
  4. Step 4: Simplify right side
    119,611.64x = 10,859,638,951.16
  5. Step 5: Solve for x
    x = 10,859,638,951.16/119,611.64
  6. Step 6: Final answer
    x = 90,790.82

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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.