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Finding the Fourth Proportional to 59,903.66, 89,821.78 and 19,901.23

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Solution

The fourth proportional to 59,903.66, 89,821.78 and 19,901.23 is: 29,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,903.66 : 89,821.78 = 19,901.23 : x
  2. Step 2: Convert to fraction form
    59,903.66/89,821.78 = 19,901.23/x
  3. Step 3: Cross multiply
    59,903.66x = 89,821.78 × 19,901.23
  4. Step 4: Simplify right side
    59,903.66x = 1,787,563,902.79
  5. Step 5: Solve for x
    x = 1,787,563,902.79/59,903.66
  6. Step 6: Final answer
    x = 29,840.65

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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.