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Finding the Fourth Proportional to 196,784.80, 295,145.52 and 56,511.52

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Solution

The fourth proportional to 196,784.80, 295,145.52 and 56,511.52 is: 84,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,784.80 : 295,145.52 = 56,511.52 : x
  2. Step 2: Convert to fraction form
    196,784.80/295,145.52 = 56,511.52/x
  3. Step 3: Cross multiply
    196,784.80x = 295,145.52 × 56,511.52
  4. Step 4: Simplify right side
    196,784.80x = 16,679,121,956.39
  5. Step 5: Solve for x
    x = 16,679,121,956.39/196,784.80
  6. Step 6: Final answer
    x = 84,758.18

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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.