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Finding the Fourth Proportional to 59,167.49, 81,740.21 and 38,798.01

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Solution

The fourth proportional to 59,167.49, 81,740.21 and 38,798.01 is: 53,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,167.49 : 81,740.21 = 38,798.01 : x
  2. Step 2: Convert to fraction form
    59,167.49/81,740.21 = 38,798.01/x
  3. Step 3: Cross multiply
    59,167.49x = 81,740.21 × 38,798.01
  4. Step 4: Simplify right side
    59,167.49x = 3,171,357,290.99
  5. Step 5: Solve for x
    x = 3,171,357,290.99/59,167.49
  6. Step 6: Final answer
    x = 53,599.66

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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.