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Finding the Fourth Proportional to 86,673.70, 119,607.42 and 48,433.57

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Solution

The fourth proportional to 86,673.70, 119,607.42 and 48,433.57 is: 66,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,673.70 : 119,607.42 = 48,433.57 : x
  2. Step 2: Convert to fraction form
    86,673.70/119,607.42 = 48,433.57/x
  3. Step 3: Cross multiply
    86,673.70x = 119,607.42 × 48,433.57
  4. Step 4: Simplify right side
    86,673.70x = 5,793,013,855.69
  5. Step 5: Solve for x
    x = 5,793,013,855.69/86,673.70
  6. Step 6: Final answer
    x = 66,837.04

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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.