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Finding the Fourth Proportional to 235,670.60, 353,561.24 and 77,899.03

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Solution

The fourth proportional to 235,670.60, 353,561.24 and 77,899.03 is: 116,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,670.60 : 353,561.24 = 77,899.03 : x
  2. Step 2: Convert to fraction form
    235,670.60/353,561.24 = 77,899.03/x
  3. Step 3: Cross multiply
    235,670.60x = 353,561.24 × 77,899.03
  4. Step 4: Simplify right side
    235,670.60x = 27,542,077,641.60
  5. Step 5: Solve for x
    x = 27,542,077,641.60/235,670.60
  6. Step 6: Final answer
    x = 116,866.84

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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.