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Finding the Fourth Proportional to 86,458.38, 119,314.38 and 48,732.63

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Solution

The fourth proportional to 86,458.38, 119,314.38 and 48,732.63 is: 67,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,458.38 : 119,314.38 = 48,732.63 : x
  2. Step 2: Convert to fraction form
    86,458.38/119,314.38 = 48,732.63/x
  3. Step 3: Cross multiply
    86,458.38x = 119,314.38 × 48,732.63
  4. Step 4: Simplify right side
    86,458.38x = 5,814,503,534.22
  5. Step 5: Solve for x
    x = 5,814,503,534.22/86,458.38
  6. Step 6: Final answer
    x = 67,252.05

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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.