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Finding the Fourth Proportional to 69,693.78, 96,670.88 and 67,304.14

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Solution

The fourth proportional to 69,693.78, 96,670.88 and 67,304.14 is: 93,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.78 : 96,670.88 = 67,304.14 : x
  2. Step 2: Convert to fraction form
    69,693.78/96,670.88 = 67,304.14/x
  3. Step 3: Cross multiply
    69,693.78x = 96,670.88 × 67,304.14
  4. Step 4: Simplify right side
    69,693.78x = 6,506,350,441.44
  5. Step 5: Solve for x
    x = 6,506,350,441.44/69,693.78
  6. Step 6: Final answer
    x = 93,356.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.