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Finding the Fourth Proportional to 68,750.74, 94,698.54 and 48,572.59

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Solution

The fourth proportional to 68,750.74, 94,698.54 and 48,572.59 is: 66,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,750.74 : 94,698.54 = 48,572.59 : x
  2. Step 2: Convert to fraction form
    68,750.74/94,698.54 = 48,572.59/x
  3. Step 3: Cross multiply
    68,750.74x = 94,698.54 × 48,572.59
  4. Step 4: Simplify right side
    68,750.74x = 4,599,753,357.02
  5. Step 5: Solve for x
    x = 4,599,753,357.02/68,750.74
  6. Step 6: Final answer
    x = 66,904.79

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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.