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Finding the Fourth Proportional to 86,248.70, 119,020.11 and 48,006.98

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Solution

The fourth proportional to 86,248.70, 119,020.11 and 48,006.98 is: 66,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,248.70 : 119,020.11 = 48,006.98 : x
  2. Step 2: Convert to fraction form
    86,248.70/119,020.11 = 48,006.98/x
  3. Step 3: Cross multiply
    86,248.70x = 119,020.11 × 48,006.98
  4. Step 4: Simplify right side
    86,248.70x = 5,713,796,040.37
  5. Step 5: Solve for x
    x = 5,713,796,040.37/86,248.70
  6. Step 6: Final answer
    x = 66,247.91

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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.