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Finding the Fourth Proportional to 235,101.80, 352,616.70 and 77,330.60

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Solution

The fourth proportional to 235,101.80, 352,616.70 and 77,330.60 is: 115,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,101.80 : 352,616.70 = 77,330.60 : x
  2. Step 2: Convert to fraction form
    235,101.80/352,616.70 = 77,330.60/x
  3. Step 3: Cross multiply
    235,101.80x = 352,616.70 × 77,330.60
  4. Step 4: Simplify right side
    235,101.80x = 27,268,060,981.02
  5. Step 5: Solve for x
    x = 27,268,060,981.02/235,101.80
  6. Step 6: Final answer
    x = 115,984.06

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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.