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Finding the Fourth Proportional to 196,776, 295,192.80 and 63,612

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Solution

The fourth proportional to 196,776, 295,192.80 and 63,612 is: 95,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,776 : 295,192.80 = 63,612 : x
  2. Step 2: Convert to fraction form
    196,776/295,192.80 = 63,612/x
  3. Step 3: Cross multiply
    196,776x = 295,192.80 × 63,612
  4. Step 4: Simplify right side
    196,776x = 18,777,804,393.60
  5. Step 5: Solve for x
    x = 18,777,804,393.60/196,776
  6. Step 6: Final answer
    x = 95,427.31

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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.