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Finding the Fourth Proportional to 183,105.20, 274,657.80 and 77,927.60

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Solution

The fourth proportional to 183,105.20, 274,657.80 and 77,927.60 is: 116,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,105.20 : 274,657.80 = 77,927.60 : x
  2. Step 2: Convert to fraction form
    183,105.20/274,657.80 = 77,927.60/x
  3. Step 3: Cross multiply
    183,105.20x = 274,657.80 × 77,927.60
  4. Step 4: Simplify right side
    183,105.20x = 21,403,423,175.28
  5. Step 5: Solve for x
    x = 21,403,423,175.28/183,105.20
  6. Step 6: Final answer
    x = 116,891.40

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1.5x scale

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.