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Finding the Fourth Proportional to 92,200.01, 127,245.53 and 56,413.80

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Solution

The fourth proportional to 92,200.01, 127,245.53 and 56,413.80 is: 77,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,200.01 : 127,245.53 = 56,413.80 : x
  2. Step 2: Convert to fraction form
    92,200.01/127,245.53 = 56,413.80/x
  3. Step 3: Cross multiply
    92,200.01x = 127,245.53 × 56,413.80
  4. Step 4: Simplify right side
    92,200.01x = 7,178,404,021.35
  5. Step 5: Solve for x
    x = 7,178,404,021.35/92,200.01
  6. Step 6: Final answer
    x = 77,856.87

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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.