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Finding the Fourth Proportional to 60,254.50, 90,413.27 and 43,750.86

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Solution

The fourth proportional to 60,254.50, 90,413.27 and 43,750.86 is: 65,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,254.50 : 90,413.27 = 43,750.86 : x
  2. Step 2: Convert to fraction form
    60,254.50/90,413.27 = 43,750.86/x
  3. Step 3: Cross multiply
    60,254.50x = 90,413.27 × 43,750.86
  4. Step 4: Simplify right side
    60,254.50x = 3,955,658,317.91
  5. Step 5: Solve for x
    x = 3,955,658,317.91/60,254.50
  6. Step 6: Final answer
    x = 65,649.18

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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.