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Finding the Fourth Proportional to 60,133.86, 90,211.86 and 25,076.52

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Solution

The fourth proportional to 60,133.86, 90,211.86 and 25,076.52 is: 37,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,133.86 : 90,211.86 = 25,076.52 : x
  2. Step 2: Convert to fraction form
    60,133.86/90,211.86 = 25,076.52/x
  3. Step 3: Cross multiply
    60,133.86x = 90,211.86 × 25,076.52
  4. Step 4: Simplify right side
    60,133.86x = 2,262,199,511.53
  5. Step 5: Solve for x
    x = 2,262,199,511.53/60,133.86
  6. Step 6: Final answer
    x = 37,619.40

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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.