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Finding the Fourth Proportional to 86,900.63, 119,857.58 and 58,252.60

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Solution

The fourth proportional to 86,900.63, 119,857.58 and 58,252.60 is: 80,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,900.63 : 119,857.58 = 58,252.60 : x
  2. Step 2: Convert to fraction form
    86,900.63/119,857.58 = 58,252.60/x
  3. Step 3: Cross multiply
    86,900.63x = 119,857.58 × 58,252.60
  4. Step 4: Simplify right side
    86,900.63x = 6,982,015,065.42
  5. Step 5: Solve for x
    x = 6,982,015,065.42/86,900.63
  6. Step 6: Final answer
    x = 80,344.82

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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.