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Finding the Fourth Proportional to 86,773.39, 119,746.47 and 48,532.48

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Solution

The fourth proportional to 86,773.39, 119,746.47 and 48,532.48 is: 66,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,773.39 : 119,746.47 = 48,532.48 : x
  2. Step 2: Convert to fraction form
    86,773.39/119,746.47 = 48,532.48/x
  3. Step 3: Cross multiply
    86,773.39x = 119,746.47 × 48,532.48
  4. Step 4: Simplify right side
    86,773.39x = 5,811,592,860.98
  5. Step 5: Solve for x
    x = 5,811,592,860.98/86,773.39
  6. Step 6: Final answer
    x = 66,974.37

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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.