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Finding the Fourth Proportional to 216,444.65, 298,689.21 and 119,652.59

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Solution

The fourth proportional to 216,444.65, 298,689.21 and 119,652.59 is: 165,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,444.65 : 298,689.21 = 119,652.59 : x
  2. Step 2: Convert to fraction form
    216,444.65/298,689.21 = 119,652.59/x
  3. Step 3: Cross multiply
    216,444.65x = 298,689.21 × 119,652.59
  4. Step 4: Simplify right side
    216,444.65x = 35,738,936,648.15
  5. Step 5: Solve for x
    x = 35,738,936,648.15/216,444.65
  6. Step 6: Final answer
    x = 165,118.13

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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.