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Finding the Fourth Proportional to 68,752.78, 94,701.35 and 48,574.62

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Solution

The fourth proportional to 68,752.78, 94,701.35 and 48,574.62 is: 66,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.78 : 94,701.35 = 48,574.62 : x
  2. Step 2: Convert to fraction form
    68,752.78/94,701.35 = 48,574.62/x
  3. Step 3: Cross multiply
    68,752.78x = 94,701.35 × 48,574.62
  4. Step 4: Simplify right side
    68,752.78x = 4,600,082,211.17
  5. Step 5: Solve for x
    x = 4,600,082,211.17/68,752.78
  6. Step 6: Final answer
    x = 66,907.58

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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.