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Finding the Fourth Proportional to 86,293.01, 119,081.13 and 48,053.92

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Solution

The fourth proportional to 86,293.01, 119,081.13 and 48,053.92 is: 66,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,293.01 : 119,081.13 = 48,053.92 : x
  2. Step 2: Convert to fraction form
    86,293.01/119,081.13 = 48,053.92/x
  3. Step 3: Cross multiply
    86,293.01x = 119,081.13 × 48,053.92
  4. Step 4: Simplify right side
    86,293.01x = 5,722,315,094.53
  5. Step 5: Solve for x
    x = 5,722,315,094.53/86,293.01
  6. Step 6: Final answer
    x = 66,312.61

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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.