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Finding the Fourth Proportional to 86,613.84, 119,524.72 and 48,887.76

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Solution

The fourth proportional to 86,613.84, 119,524.72 and 48,887.76 is: 67,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613.84 : 119,524.72 = 48,887.76 : x
  2. Step 2: Convert to fraction form
    86,613.84/119,524.72 = 48,887.76/x
  3. Step 3: Cross multiply
    86,613.84x = 119,524.72 × 48,887.76
  4. Step 4: Simplify right side
    86,613.84x = 5,843,295,825.43
  5. Step 5: Solve for x
    x = 5,843,295,825.43/86,613.84
  6. Step 6: Final answer
    x = 67,463.77

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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.