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Finding the Fourth Proportional to 73,824.52, 101,877.90 and 40,290.52

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Solution

The fourth proportional to 73,824.52, 101,877.90 and 40,290.52 is: 55,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,824.52 : 101,877.90 = 40,290.52 : x
  2. Step 2: Convert to fraction form
    73,824.52/101,877.90 = 40,290.52/x
  3. Step 3: Cross multiply
    73,824.52x = 101,877.90 × 40,290.52
  4. Step 4: Simplify right side
    73,824.52x = 4,104,713,567.51
  5. Step 5: Solve for x
    x = 4,104,713,567.51/73,824.52
  6. Step 6: Final answer
    x = 55,600.95

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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.