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Finding the Fourth Proportional to 219,585.87, 303,025.05 and 124,086.87

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Solution

The fourth proportional to 219,585.87, 303,025.05 and 124,086.87 is: 171,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,585.87 : 303,025.05 = 124,086.87 : x
  2. Step 2: Convert to fraction form
    219,585.87/303,025.05 = 124,086.87/x
  3. Step 3: Cross multiply
    219,585.87x = 303,025.05 × 124,086.87
  4. Step 4: Simplify right side
    219,585.87x = 37,601,429,986.09
  5. Step 5: Solve for x
    x = 37,601,429,986.09/219,585.87
  6. Step 6: Final answer
    x = 171,237.93

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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.