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Finding the Fourth Proportional to 201,832.58, 278,508.02 and 124,295.91

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Solution

The fourth proportional to 201,832.58, 278,508.02 and 124,295.91 is: 171,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,832.58 : 278,508.02 = 124,295.91 : x
  2. Step 2: Convert to fraction form
    201,832.58/278,508.02 = 124,295.91/x
  3. Step 3: Cross multiply
    201,832.58x = 278,508.02 × 124,295.91
  4. Step 4: Simplify right side
    201,832.58x = 34,617,407,166.72
  5. Step 5: Solve for x
    x = 34,617,407,166.72/201,832.58
  6. Step 6: Final answer
    x = 171,515.46

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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.