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Finding the Fourth Proportional to 86,480.01, 119,342.61 and 48,238.61

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Solution

The fourth proportional to 86,480.01, 119,342.61 and 48,238.61 is: 66,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,480.01 : 119,342.61 = 48,238.61 : x
  2. Step 2: Convert to fraction form
    86,480.01/119,342.61 = 48,238.61/x
  3. Step 3: Cross multiply
    86,480.01x = 119,342.61 × 48,238.61
  4. Step 4: Simplify right side
    86,480.01x = 5,756,921,023.46
  5. Step 5: Solve for x
    x = 5,756,921,023.46/86,480.01
  6. Step 6: Final answer
    x = 66,569.38

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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.