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Finding the Fourth Proportional to 60,241.88, 90,418.92 and 30,681.95

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Solution

The fourth proportional to 60,241.88, 90,418.92 and 30,681.95 is: 46,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,241.88 : 90,418.92 = 30,681.95 : x
  2. Step 2: Convert to fraction form
    60,241.88/90,418.92 = 30,681.95/x
  3. Step 3: Cross multiply
    60,241.88x = 90,418.92 × 30,681.95
  4. Step 4: Simplify right side
    60,241.88x = 2,774,228,782.49
  5. Step 5: Solve for x
    x = 2,774,228,782.49/60,241.88
  6. Step 6: Final answer
    x = 46,051.50

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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.