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Finding the Fourth Proportional to 144,616.40, 216,924.60 and 122,527.70

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Solution

The fourth proportional to 144,616.40, 216,924.60 and 122,527.70 is: 183,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,616.40 : 216,924.60 = 122,527.70 : x
  2. Step 2: Convert to fraction form
    144,616.40/216,924.60 = 122,527.70/x
  3. Step 3: Cross multiply
    144,616.40x = 216,924.60 × 122,527.70
  4. Step 4: Simplify right side
    144,616.40x = 26,579,272,311.42
  5. Step 5: Solve for x
    x = 26,579,272,311.42/144,616.40
  6. Step 6: Final answer
    x = 183,791.55

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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.