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Finding the Fourth Proportional to 159,658.54, 220,246.33 and 99,206.22

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Solution

The fourth proportional to 159,658.54, 220,246.33 and 99,206.22 is: 136,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,658.54 : 220,246.33 = 99,206.22 : x
  2. Step 2: Convert to fraction form
    159,658.54/220,246.33 = 99,206.22/x
  3. Step 3: Cross multiply
    159,658.54x = 220,246.33 × 99,206.22
  4. Step 4: Simplify right side
    159,658.54x = 21,849,805,868.17
  5. Step 5: Solve for x
    x = 21,849,805,868.17/159,658.54
  6. Step 6: Final answer
    x = 136,853.35

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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.