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Finding the Fourth Proportional to 109,271.66, 163,935.66 and 59,338.94

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Solution

The fourth proportional to 109,271.66, 163,935.66 and 59,338.94 is: 89,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,271.66 : 163,935.66 = 59,338.94 : x
  2. Step 2: Convert to fraction form
    109,271.66/163,935.66 = 59,338.94/x
  3. Step 3: Cross multiply
    109,271.66x = 163,935.66 × 59,338.94
  4. Step 4: Simplify right side
    109,271.66x = 9,727,768,292.60
  5. Step 5: Solve for x
    x = 9,727,768,292.60/109,271.66
  6. Step 6: Final answer
    x = 89,023.71

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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.