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Finding the Fourth Proportional to 60,409.73, 83,331.83 and 56,133.29

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Solution

The fourth proportional to 60,409.73, 83,331.83 and 56,133.29 is: 77,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,409.73 : 83,331.83 = 56,133.29 : x
  2. Step 2: Convert to fraction form
    60,409.73/83,331.83 = 56,133.29/x
  3. Step 3: Cross multiply
    60,409.73x = 83,331.83 × 56,133.29
  4. Step 4: Simplify right side
    60,409.73x = 4,677,689,362.96
  5. Step 5: Solve for x
    x = 4,677,689,362.96/60,409.73
  6. Step 6: Final answer
    x = 77,432.71

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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.