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Finding the Fourth Proportional to 112,259.80, 168,413.10 and 37,403.20

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Solution

The fourth proportional to 112,259.80, 168,413.10 and 37,403.20 is: 56,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,259.80 : 168,413.10 = 37,403.20 : x
  2. Step 2: Convert to fraction form
    112,259.80/168,413.10 = 37,403.20/x
  3. Step 3: Cross multiply
    112,259.80x = 168,413.10 × 37,403.20
  4. Step 4: Simplify right side
    112,259.80x = 6,299,188,861.92
  5. Step 5: Solve for x
    x = 6,299,188,861.92/112,259.80
  6. Step 6: Final answer
    x = 56,112.60

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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.