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Finding the Fourth Proportional to 144,069.60, 216,298.80 and 114,520.80

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Solution

The fourth proportional to 144,069.60, 216,298.80 and 114,520.80 is: 171,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,069.60 : 216,298.80 = 114,520.80 : x
  2. Step 2: Convert to fraction form
    144,069.60/216,298.80 = 114,520.80/x
  3. Step 3: Cross multiply
    144,069.60x = 216,298.80 × 114,520.80
  4. Step 4: Simplify right side
    144,069.60x = 24,770,711,615.04
  5. Step 5: Solve for x
    x = 24,770,711,615.04/144,069.60
  6. Step 6: Final answer
    x = 171,935.73

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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.