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Finding the Fourth Proportional to 88,346.81, 121,917.34 and 48,060.88

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Solution

The fourth proportional to 88,346.81, 121,917.34 and 48,060.88 is: 66,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,346.81 : 121,917.34 = 48,060.88 : x
  2. Step 2: Convert to fraction form
    88,346.81/121,917.34 = 48,060.88/x
  3. Step 3: Cross multiply
    88,346.81x = 121,917.34 × 48,060.88
  4. Step 4: Simplify right side
    88,346.81x = 5,859,454,647.66
  5. Step 5: Solve for x
    x = 5,859,454,647.66/88,346.81
  6. Step 6: Final answer
    x = 66,323.33

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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.