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Finding the Fourth Proportional to 159,890.83, 220,678.23 and 95,364.21

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Solution

The fourth proportional to 159,890.83, 220,678.23 and 95,364.21 is: 131,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,890.83 : 220,678.23 = 95,364.21 : x
  2. Step 2: Convert to fraction form
    159,890.83/220,678.23 = 95,364.21/x
  3. Step 3: Cross multiply
    159,890.83x = 220,678.23 × 95,364.21
  4. Step 4: Simplify right side
    159,890.83x = 21,044,803,964.76
  5. Step 5: Solve for x
    x = 21,044,803,964.76/159,890.83
  6. Step 6: Final answer
    x = 131,619.83

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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.