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Finding the Fourth Proportional to 235,700.01, 353,605.37 and 77,928.48

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Solution

The fourth proportional to 235,700.01, 353,605.37 and 77,928.48 is: 116,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,700.01 : 353,605.37 = 77,928.48 : x
  2. Step 2: Convert to fraction form
    235,700.01/353,605.37 = 77,928.48/x
  3. Step 3: Cross multiply
    235,700.01x = 353,605.37 × 77,928.48
  4. Step 4: Simplify right side
    235,700.01x = 27,555,928,614.30
  5. Step 5: Solve for x
    x = 27,555,928,614.30/235,700.01
  6. Step 6: Final answer
    x = 116,911.02

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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.