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Finding the Fourth Proportional to 196,607.45, 294,862.34 and 84,274.93

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Solution

The fourth proportional to 196,607.45, 294,862.34 and 84,274.93 is: 126,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,607.45 : 294,862.34 = 84,274.93 : x
  2. Step 2: Convert to fraction form
    196,607.45/294,862.34 = 84,274.93/x
  3. Step 3: Cross multiply
    196,607.45x = 294,862.34 × 84,274.93
  4. Step 4: Simplify right side
    196,607.45x = 24,849,503,642.40
  5. Step 5: Solve for x
    x = 24,849,503,642.40/196,607.45
  6. Step 6: Final answer
    x = 126,391.46

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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.