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Finding the Fourth Proportional to 86,054.88, 118,766.87 and 48,329.13

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Solution

The fourth proportional to 86,054.88, 118,766.87 and 48,329.13 is: 66,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054.88 : 118,766.87 = 48,329.13 : x
  2. Step 2: Convert to fraction form
    86,054.88/118,766.87 = 48,329.13/x
  3. Step 3: Cross multiply
    86,054.88x = 118,766.87 × 48,329.13
  4. Step 4: Simplify right side
    86,054.88x = 5,739,899,499.92
  5. Step 5: Solve for x
    x = 5,739,899,499.92/86,054.88
  6. Step 6: Final answer
    x = 66,700.45

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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.