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Finding the Fourth Proportional to 159,033.30, 219,486.69 and 102,608.82

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Solution

The fourth proportional to 159,033.30, 219,486.69 and 102,608.82 is: 141,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,033.30 : 219,486.69 = 102,608.82 : x
  2. Step 2: Convert to fraction form
    159,033.30/219,486.69 = 102,608.82/x
  3. Step 3: Cross multiply
    159,033.30x = 219,486.69 × 102,608.82
  4. Step 4: Simplify right side
    159,033.30x = 22,521,270,266.61
  5. Step 5: Solve for x
    x = 22,521,270,266.61/159,033.30
  6. Step 6: Final answer
    x = 141,613.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.