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Finding the Fourth Proportional to 230,584, 318,205.92 and 124,600

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Solution

The fourth proportional to 230,584, 318,205.92 and 124,600 is: 171,948

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,584 : 318,205.92 = 124,600 : x
  2. Step 2: Convert to fraction form
    230,584/318,205.92 = 124,600/x
  3. Step 3: Cross multiply
    230,584x = 318,205.92 × 124,600
  4. Step 4: Simplify right side
    230,584x = 39,648,457,632
  5. Step 5: Solve for x
    x = 39,648,457,632/230,584
  6. Step 6: Final answer
    x = 171,948

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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.