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Finding the Fourth Proportional to 219,725.66, 303,219.96 and 124,232.74

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Solution

The fourth proportional to 219,725.66, 303,219.96 and 124,232.74 is: 171,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,725.66 : 303,219.96 = 124,232.74 : x
  2. Step 2: Convert to fraction form
    219,725.66/303,219.96 = 124,232.74/x
  3. Step 3: Cross multiply
    219,725.66x = 303,219.96 × 124,232.74
  4. Step 4: Simplify right side
    219,725.66x = 37,669,845,229.57
  5. Step 5: Solve for x
    x = 37,669,845,229.57/219,725.66
  6. Step 6: Final answer
    x = 171,440.35

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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.