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Finding the Fourth Proportional to 110,413.90, 152,371.21 and 60,112.90

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Solution

The fourth proportional to 110,413.90, 152,371.21 and 60,112.90 is: 82,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,413.90 : 152,371.21 = 60,112.90 : x
  2. Step 2: Convert to fraction form
    110,413.90/152,371.21 = 60,112.90/x
  3. Step 3: Cross multiply
    110,413.90x = 152,371.21 × 60,112.90
  4. Step 4: Simplify right side
    110,413.90x = 9,159,474,778.40
  5. Step 5: Solve for x
    x = 9,159,474,778.40/110,413.90
  6. Step 6: Final answer
    x = 82,955.81

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1.5x scale

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.