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Finding the Fourth Proportional to 234,648.60, 351,973.62 and 57,155.64

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Solution

The fourth proportional to 234,648.60, 351,973.62 and 57,155.64 is: 85,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,648.60 : 351,973.62 = 57,155.64 : x
  2. Step 2: Convert to fraction form
    234,648.60/351,973.62 = 57,155.64/x
  3. Step 3: Cross multiply
    234,648.60x = 351,973.62 × 57,155.64
  4. Step 4: Simplify right side
    234,648.60x = 20,117,277,514.22
  5. Step 5: Solve for x
    x = 20,117,277,514.22/234,648.60
  6. Step 6: Final answer
    x = 85,733.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.