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Finding the Fourth Proportional to 60,168.48, 83,055.76 and 53,869.92

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Solution

The fourth proportional to 60,168.48, 83,055.76 and 53,869.92 is: 74,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,168.48 : 83,055.76 = 53,869.92 : x
  2. Step 2: Convert to fraction form
    60,168.48/83,055.76 = 53,869.92/x
  3. Step 3: Cross multiply
    60,168.48x = 83,055.76 × 53,869.92
  4. Step 4: Simplify right side
    60,168.48x = 4,474,207,146.74
  5. Step 5: Solve for x
    x = 4,474,207,146.74/60,168.48
  6. Step 6: Final answer
    x = 74,361.31

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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.