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Finding the Fourth Proportional to 92,681.91, 139,033.67 and 33,545.43

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Solution

The fourth proportional to 92,681.91, 139,033.67 and 33,545.43 is: 50,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,681.91 : 139,033.67 = 33,545.43 : x
  2. Step 2: Convert to fraction form
    92,681.91/139,033.67 = 33,545.43/x
  3. Step 3: Cross multiply
    92,681.91x = 139,033.67 × 33,545.43
  4. Step 4: Simplify right side
    92,681.91x = 4,663,944,244.63
  5. Step 5: Solve for x
    x = 4,663,944,244.63/92,681.91
  6. Step 6: Final answer
    x = 50,322.06

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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.