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Finding the Fourth Proportional to 196,788.80, 295,151.52 and 56,515.52

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Solution

The fourth proportional to 196,788.80, 295,151.52 and 56,515.52 is: 84,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,788.80 : 295,151.52 = 56,515.52 : x
  2. Step 2: Convert to fraction form
    196,788.80/295,151.52 = 56,515.52/x
  3. Step 3: Cross multiply
    196,788.80x = 295,151.52 × 56,515.52
  4. Step 4: Simplify right side
    196,788.80x = 16,680,641,631.59
  5. Step 5: Solve for x
    x = 16,680,641,631.59/196,788.80
  6. Step 6: Final answer
    x = 84,764.18

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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.