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Finding the Fourth Proportional to 124,622.87, 186,906.36 and 35,856.59

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Solution

The fourth proportional to 124,622.87, 186,906.36 and 35,856.59 is: 53,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,622.87 : 186,906.36 = 35,856.59 : x
  2. Step 2: Convert to fraction form
    124,622.87/186,906.36 = 35,856.59/x
  3. Step 3: Cross multiply
    124,622.87x = 186,906.36 × 35,856.59
  4. Step 4: Simplify right side
    124,622.87x = 6,701,824,718.91
  5. Step 5: Solve for x
    x = 6,701,824,718.91/124,622.87
  6. Step 6: Final answer
    x = 53,776.84

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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.