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Finding the Fourth Proportional to 144,383.96, 216,612.84 and 55,613.63

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Solution

The fourth proportional to 144,383.96, 216,612.84 and 55,613.63 is: 83,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.96 : 216,612.84 = 55,613.63 : x
  2. Step 2: Convert to fraction form
    144,383.96/216,612.84 = 55,613.63/x
  3. Step 3: Cross multiply
    144,383.96x = 216,612.84 × 55,613.63
  4. Step 4: Simplify right side
    144,383.96x = 12,046,625,253.95
  5. Step 5: Solve for x
    x = 12,046,625,253.95/144,383.96
  6. Step 6: Final answer
    x = 83,434.65

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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.