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Finding the Fourth Proportional to 61,420.48, 92,058.48 and 35,143.36

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Solution

The fourth proportional to 61,420.48, 92,058.48 and 35,143.36 is: 52,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,420.48 : 92,058.48 = 35,143.36 : x
  2. Step 2: Convert to fraction form
    61,420.48/92,058.48 = 35,143.36/x
  3. Step 3: Cross multiply
    61,420.48x = 92,058.48 × 35,143.36
  4. Step 4: Simplify right side
    61,420.48x = 3,235,244,303.69
  5. Step 5: Solve for x
    x = 3,235,244,303.69/61,420.48
  6. Step 6: Final answer
    x = 52,673.71

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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.