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Finding the Fourth Proportional to 284,572.44, 426,858.48 and 85,032.81

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Solution

The fourth proportional to 284,572.44, 426,858.48 and 85,032.81 is: 127,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,572.44 : 426,858.48 = 85,032.81 : x
  2. Step 2: Convert to fraction form
    284,572.44/426,858.48 = 85,032.81/x
  3. Step 3: Cross multiply
    284,572.44x = 426,858.48 × 85,032.81
  4. Step 4: Simplify right side
    284,572.44x = 36,296,976,026.73
  5. Step 5: Solve for x
    x = 36,296,976,026.73/284,572.44
  6. Step 6: Final answer
    x = 127,549.16

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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.