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Finding the Fourth Proportional to 86,624.65, 119,540.75 and 48,384.74

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Solution

The fourth proportional to 86,624.65, 119,540.75 and 48,384.74 is: 66,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,624.65 : 119,540.75 = 48,384.74 : x
  2. Step 2: Convert to fraction form
    86,624.65/119,540.75 = 48,384.74/x
  3. Step 3: Cross multiply
    86,624.65x = 119,540.75 × 48,384.74
  4. Step 4: Simplify right side
    86,624.65x = 5,783,947,628.75
  5. Step 5: Solve for x
    x = 5,783,947,628.75/86,624.65
  6. Step 6: Final answer
    x = 66,770.23

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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.