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Finding the Fourth Proportional to 284,670.75, 426,999.29 and 92,544.93

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Solution

The fourth proportional to 284,670.75, 426,999.29 and 92,544.93 is: 138,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,670.75 : 426,999.29 = 92,544.93 : x
  2. Step 2: Convert to fraction form
    284,670.75/426,999.29 = 92,544.93/x
  3. Step 3: Cross multiply
    284,670.75x = 426,999.29 × 92,544.93
  4. Step 4: Simplify right side
    284,670.75x = 39,516,619,403.10
  5. Step 5: Solve for x
    x = 39,516,619,403.10/284,670.75
  6. Step 6: Final answer
    x = 138,815.17

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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.