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Finding the Fourth Proportional to 60,510.54, 90,537.66 and 54,371.64

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Solution

The fourth proportional to 60,510.54, 90,537.66 and 54,371.64 is: 81,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,510.54 : 90,537.66 = 54,371.64 : x
  2. Step 2: Convert to fraction form
    60,510.54/90,537.66 = 54,371.64/x
  3. Step 3: Cross multiply
    60,510.54x = 90,537.66 × 54,371.64
  4. Step 4: Simplify right side
    60,510.54x = 4,922,681,055.96
  5. Step 5: Solve for x
    x = 4,922,681,055.96/60,510.54
  6. Step 6: Final answer
    x = 81,352.46

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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.