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Finding the Fourth Proportional to 86,251.69, 119,030.48 and 48,013.21

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Solution

The fourth proportional to 86,251.69, 119,030.48 and 48,013.21 is: 66,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,251.69 : 119,030.48 = 48,013.21 : x
  2. Step 2: Convert to fraction form
    86,251.69/119,030.48 = 48,013.21/x
  3. Step 3: Cross multiply
    86,251.69x = 119,030.48 × 48,013.21
  4. Step 4: Simplify right side
    86,251.69x = 5,715,035,192.57
  5. Step 5: Solve for x
    x = 5,715,035,192.57/86,251.69
  6. Step 6: Final answer
    x = 66,259.98

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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.