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Finding the Fourth Proportional to 68,053.91, 93,986.12 and 60,632.69

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Solution

The fourth proportional to 68,053.91, 93,986.12 and 60,632.69 is: 83,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.91 : 93,986.12 = 60,632.69 : x
  2. Step 2: Convert to fraction form
    68,053.91/93,986.12 = 60,632.69/x
  3. Step 3: Cross multiply
    68,053.91x = 93,986.12 × 60,632.69
  4. Step 4: Simplify right side
    68,053.91x = 5,698,630,959.91
  5. Step 5: Solve for x
    x = 5,698,630,959.91/68,053.91
  6. Step 6: Final answer
    x = 83,737.02

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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.