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Finding the Fourth Proportional to 196,700.54, 295,050.77 and 63,580.78

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Solution

The fourth proportional to 196,700.54, 295,050.77 and 63,580.78 is: 95,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,700.54 : 295,050.77 = 63,580.78 : x
  2. Step 2: Convert to fraction form
    196,700.54/295,050.77 = 63,580.78/x
  3. Step 3: Cross multiply
    196,700.54x = 295,050.77 × 63,580.78
  4. Step 4: Simplify right side
    196,700.54x = 18,759,558,385.54
  5. Step 5: Solve for x
    x = 18,759,558,385.54/196,700.54
  6. Step 6: Final answer
    x = 95,371.16

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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.