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Finding the Fourth Proportional to 79,894.74, 110,235.06 and 48,842.18

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Solution

The fourth proportional to 79,894.74, 110,235.06 and 48,842.18 is: 67,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894.74 : 110,235.06 = 48,842.18 : x
  2. Step 2: Convert to fraction form
    79,894.74/110,235.06 = 48,842.18/x
  3. Step 3: Cross multiply
    79,894.74x = 110,235.06 × 48,842.18
  4. Step 4: Simplify right side
    79,894.74x = 5,384,120,642.83
  5. Step 5: Solve for x
    x = 5,384,120,642.83/79,894.74
  6. Step 6: Final answer
    x = 67,390.18

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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.