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Finding the Fourth Proportional to 219,885.54, 303,420.96 and 124,373.58

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Solution

The fourth proportional to 219,885.54, 303,420.96 and 124,373.58 is: 171,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,885.54 : 303,420.96 = 124,373.58 : x
  2. Step 2: Convert to fraction form
    219,885.54/303,420.96 = 124,373.58/x
  3. Step 3: Cross multiply
    219,885.54x = 303,420.96 × 124,373.58
  4. Step 4: Simplify right side
    219,885.54x = 37,737,551,042.24
  5. Step 5: Solve for x
    x = 37,737,551,042.24/219,885.54
  6. Step 6: Final answer
    x = 171,623.61

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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.