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Finding the Fourth Proportional to 109,471.30, 164,206.95 and 59,532.10

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Solution

The fourth proportional to 109,471.30, 164,206.95 and 59,532.10 is: 89,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,471.30 : 164,206.95 = 59,532.10 : x
  2. Step 2: Convert to fraction form
    109,471.30/164,206.95 = 59,532.10/x
  3. Step 3: Cross multiply
    109,471.30x = 164,206.95 × 59,532.10
  4. Step 4: Simplify right side
    109,471.30x = 9,775,584,568.10
  5. Step 5: Solve for x
    x = 9,775,584,568.10/109,471.30
  6. Step 6: Final answer
    x = 89,298.15

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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.