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Finding the Fourth Proportional to 283,144.97, 424,790.97 and 105,653.31

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Solution

The fourth proportional to 283,144.97, 424,790.97 and 105,653.31 is: 158,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,144.97 : 424,790.97 = 105,653.31 : x
  2. Step 2: Convert to fraction form
    283,144.97/424,790.97 = 105,653.31/x
  3. Step 3: Cross multiply
    283,144.97x = 424,790.97 × 105,653.31
  4. Step 4: Simplify right side
    283,144.97x = 44,880,572,038.61
  5. Step 5: Solve for x
    x = 44,880,572,038.61/283,144.97
  6. Step 6: Final answer
    x = 158,507.40

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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.