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Finding the Fourth Proportional to 196,434, 294,658.29 and 63,316.17

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Solution

The fourth proportional to 196,434, 294,658.29 and 63,316.17 is: 94,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,434 : 294,658.29 = 63,316.17 : x
  2. Step 2: Convert to fraction form
    196,434/294,658.29 = 63,316.17/x
  3. Step 3: Cross multiply
    196,434x = 294,658.29 × 63,316.17
  4. Step 4: Simplify right side
    196,434x = 18,656,634,381.55
  5. Step 5: Solve for x
    x = 18,656,634,381.55/196,434
  6. Step 6: Final answer
    x = 94,976.60

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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.