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Finding the Fourth Proportional to 113,218.48, 169,677.01 and 59,899.08

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Solution

The fourth proportional to 113,218.48, 169,677.01 and 59,899.08 is: 89,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,218.48 : 169,677.01 = 59,899.08 : x
  2. Step 2: Convert to fraction form
    113,218.48/169,677.01 = 59,899.08/x
  3. Step 3: Cross multiply
    113,218.48x = 169,677.01 × 59,899.08
  4. Step 4: Simplify right side
    113,218.48x = 10,163,496,796.15
  5. Step 5: Solve for x
    x = 10,163,496,796.15/113,218.48
  6. Step 6: Final answer
    x = 89,768.89

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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.