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Finding the Fourth Proportional to 88,360.80, 121,937.86 and 48,074.51

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Solution

The fourth proportional to 88,360.80, 121,937.86 and 48,074.51 is: 66,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,360.80 : 121,937.86 = 48,074.51 : x
  2. Step 2: Convert to fraction form
    88,360.80/121,937.86 = 48,074.51/x
  3. Step 3: Cross multiply
    88,360.80x = 121,937.86 × 48,074.51
  4. Step 4: Simplify right side
    88,360.80x = 5,862,102,964.47
  5. Step 5: Solve for x
    x = 5,862,102,964.47/88,360.80
  6. Step 6: Final answer
    x = 66,342.80

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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.