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Finding the Fourth Proportional to 86,393.04, 119,218.56 and 48,156.76

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Solution

The fourth proportional to 86,393.04, 119,218.56 and 48,156.76 is: 66,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,393.04 : 119,218.56 = 48,156.76 : x
  2. Step 2: Convert to fraction form
    86,393.04/119,218.56 = 48,156.76/x
  3. Step 3: Cross multiply
    86,393.04x = 119,218.56 × 48,156.76
  4. Step 4: Simplify right side
    86,393.04x = 5,741,179,685.34
  5. Step 5: Solve for x
    x = 5,741,179,685.34/86,393.04
  6. Step 6: Final answer
    x = 66,454.19

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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.