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Finding the Fourth Proportional to 144,951.40, 217,416.30 and 60,689.80

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Solution

The fourth proportional to 144,951.40, 217,416.30 and 60,689.80 is: 91,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951.40 : 217,416.30 = 60,689.80 : x
  2. Step 2: Convert to fraction form
    144,951.40/217,416.30 = 60,689.80/x
  3. Step 3: Cross multiply
    144,951.40x = 217,416.30 × 60,689.80
  4. Step 4: Simplify right side
    144,951.40x = 13,194,951,763.74
  5. Step 5: Solve for x
    x = 13,194,951,763.74/144,951.40
  6. Step 6: Final answer
    x = 91,030.18

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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.