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Finding the Fourth Proportional to 60,462.54, 90,465.66 and 54,323.64

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Solution

The fourth proportional to 60,462.54, 90,465.66 and 54,323.64 is: 81,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,462.54 : 90,465.66 = 54,323.64 : x
  2. Step 2: Convert to fraction form
    60,462.54/90,465.66 = 54,323.64/x
  3. Step 3: Cross multiply
    60,462.54x = 90,465.66 × 54,323.64
  4. Step 4: Simplify right side
    60,462.54x = 4,914,423,946.20
  5. Step 5: Solve for x
    x = 4,914,423,946.20/60,462.54
  6. Step 6: Final answer
    x = 81,280.47

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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.