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Finding the Fourth Proportional to 171,465.55, 236,622.41 and 93,943.95

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Solution

The fourth proportional to 171,465.55, 236,622.41 and 93,943.95 is: 129,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,465.55 : 236,622.41 = 93,943.95 : x
  2. Step 2: Convert to fraction form
    171,465.55/236,622.41 = 93,943.95/x
  3. Step 3: Cross multiply
    171,465.55x = 236,622.41 × 93,943.95
  4. Step 4: Simplify right side
    171,465.55x = 22,229,243,853.92
  5. Step 5: Solve for x
    x = 22,229,243,853.92/171,465.55
  6. Step 6: Final answer
    x = 129,642.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.