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Finding the Fourth Proportional to 196,304.48, 294,503.72 and 63,197.20

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Solution

The fourth proportional to 196,304.48, 294,503.72 and 63,197.20 is: 94,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,304.48 : 294,503.72 = 63,197.20 : x
  2. Step 2: Convert to fraction form
    196,304.48/294,503.72 = 63,197.20/x
  3. Step 3: Cross multiply
    196,304.48x = 294,503.72 × 63,197.20
  4. Step 4: Simplify right side
    196,304.48x = 18,611,810,493.58
  5. Step 5: Solve for x
    x = 18,611,810,493.58/196,304.48
  6. Step 6: Final answer
    x = 94,810.93

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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.