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Finding the Fourth Proportional to 216,696.46, 299,049.92 and 119,898.74

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Solution

The fourth proportional to 216,696.46, 299,049.92 and 119,898.74 is: 165,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,696.46 : 299,049.92 = 119,898.74 : x
  2. Step 2: Convert to fraction form
    216,696.46/299,049.92 = 119,898.74/x
  3. Step 3: Cross multiply
    216,696.46x = 299,049.92 × 119,898.74
  4. Step 4: Simplify right side
    216,696.46x = 35,855,708,605.10
  5. Step 5: Solve for x
    x = 35,855,708,605.10/216,696.46
  6. Step 6: Final answer
    x = 165,465.13

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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.