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Finding the Fourth Proportional to 202,006.46, 302,943 and 67,039.40

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Solution

The fourth proportional to 202,006.46, 302,943 and 67,039.40 is: 100,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,006.46 : 302,943 = 67,039.40 : x
  2. Step 2: Convert to fraction form
    202,006.46/302,943 = 67,039.40/x
  3. Step 3: Cross multiply
    202,006.46x = 302,943 × 67,039.40
  4. Step 4: Simplify right side
    202,006.46x = 20,309,116,954.20
  5. Step 5: Solve for x
    x = 20,309,116,954.20/202,006.46
  6. Step 6: Final answer
    x = 100,536.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.