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Finding the Fourth Proportional to 186,818.77, 280,220.22 and 86,944.54

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Solution

The fourth proportional to 186,818.77, 280,220.22 and 86,944.54 is: 130,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,818.77 : 280,220.22 = 86,944.54 : x
  2. Step 2: Convert to fraction form
    186,818.77/280,220.22 = 86,944.54/x
  3. Step 3: Cross multiply
    186,818.77x = 280,220.22 × 86,944.54
  4. Step 4: Simplify right side
    186,818.77x = 24,363,618,126.60
  5. Step 5: Solve for x
    x = 24,363,618,126.60/186,818.77
  6. Step 6: Final answer
    x = 130,413.12

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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.