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Finding the Fourth Proportional to 283,058.10, 424,237.23 and 142,740.18

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Solution

The fourth proportional to 283,058.10, 424,237.23 and 142,740.18 is: 213,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,058.10 : 424,237.23 = 142,740.18 : x
  2. Step 2: Convert to fraction form
    283,058.10/424,237.23 = 142,740.18/x
  3. Step 3: Cross multiply
    283,058.10x = 424,237.23 × 142,740.18
  4. Step 4: Simplify right side
    283,058.10x = 60,555,698,572.90
  5. Step 5: Solve for x
    x = 60,555,698,572.90/283,058.10
  6. Step 6: Final answer
    x = 213,933.81

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