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Finding the Fourth Proportional to 113,058.91, 169,592.01 and 56,868.37

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Solution

The fourth proportional to 113,058.91, 169,592.01 and 56,868.37 is: 85,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,058.91 : 169,592.01 = 56,868.37 : x
  2. Step 2: Convert to fraction form
    113,058.91/169,592.01 = 56,868.37/x
  3. Step 3: Cross multiply
    113,058.91x = 169,592.01 × 56,868.37
  4. Step 4: Simplify right side
    113,058.91x = 9,644,421,173.72
  5. Step 5: Solve for x
    x = 9,644,421,173.72/113,058.91
  6. Step 6: Final answer
    x = 85,304.39

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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.