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Finding the Fourth Proportional to 68,282, 94,255.08 and 45,938.96

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Solution

The fourth proportional to 68,282, 94,255.08 and 45,938.96 is: 63,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,282 : 94,255.08 = 45,938.96 : x
  2. Step 2: Convert to fraction form
    68,282/94,255.08 = 45,938.96/x
  3. Step 3: Cross multiply
    68,282x = 94,255.08 × 45,938.96
  4. Step 4: Simplify right side
    68,282x = 4,329,980,349.92
  5. Step 5: Solve for x
    x = 4,329,980,349.92/68,282
  6. Step 6: Final answer
    x = 63,413.20

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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.