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Finding the Fourth Proportional to 86,757.66, 119,724.73 and 48,516.77

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Solution

The fourth proportional to 86,757.66, 119,724.73 and 48,516.77 is: 66,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,757.66 : 119,724.73 = 48,516.77 : x
  2. Step 2: Convert to fraction form
    86,757.66/119,724.73 = 48,516.77/x
  3. Step 3: Cross multiply
    86,757.66x = 119,724.73 × 48,516.77
  4. Step 4: Simplify right side
    86,757.66x = 5,808,657,639.65
  5. Step 5: Solve for x
    x = 5,808,657,639.65/86,757.66
  6. Step 6: Final answer
    x = 66,952.68

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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.