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Finding the Fourth Proportional to 86,305.52, 119,085.72 and 48,571.76

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Solution

The fourth proportional to 86,305.52, 119,085.72 and 48,571.76 is: 67,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,305.52 : 119,085.72 = 48,571.76 : x
  2. Step 2: Convert to fraction form
    86,305.52/119,085.72 = 48,571.76/x
  3. Step 3: Cross multiply
    86,305.52x = 119,085.72 × 48,571.76
  4. Step 4: Simplify right side
    86,305.52x = 5,784,203,011.27
  5. Step 5: Solve for x
    x = 5,784,203,011.27/86,305.52
  6. Step 6: Final answer
    x = 67,020.08

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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.