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Finding the Fourth Proportional to 92,952.36, 139,413.96 and 40,347.72

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Solution

The fourth proportional to 92,952.36, 139,413.96 and 40,347.72 is: 60,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,952.36 : 139,413.96 = 40,347.72 : x
  2. Step 2: Convert to fraction form
    92,952.36/139,413.96 = 40,347.72/x
  3. Step 3: Cross multiply
    92,952.36x = 139,413.96 × 40,347.72
  4. Step 4: Simplify right side
    92,952.36x = 5,625,035,422.17
  5. Step 5: Solve for x
    x = 5,625,035,422.17/92,952.36
  6. Step 6: Final answer
    x = 60,515.25

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1.5x scale

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.