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Finding the Fourth Proportional to 163,307.60, 244,961.40 and 69,822.80

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Solution

The fourth proportional to 163,307.60, 244,961.40 and 69,822.80 is: 104,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,307.60 : 244,961.40 = 69,822.80 : x
  2. Step 2: Convert to fraction form
    163,307.60/244,961.40 = 69,822.80/x
  3. Step 3: Cross multiply
    163,307.60x = 244,961.40 × 69,822.80
  4. Step 4: Simplify right side
    163,307.60x = 17,103,890,839.92
  5. Step 5: Solve for x
    x = 17,103,890,839.92/163,307.60
  6. Step 6: Final answer
    x = 104,734.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.