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Finding the Fourth Proportional to 103,234.48, 142,473 and 62,950.48

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Solution

The fourth proportional to 103,234.48, 142,473 and 62,950.48 is: 86,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,234.48 : 142,473 = 62,950.48 : x
  2. Step 2: Convert to fraction form
    103,234.48/142,473 = 62,950.48/x
  3. Step 3: Cross multiply
    103,234.48x = 142,473 × 62,950.48
  4. Step 4: Simplify right side
    103,234.48x = 8,968,743,737.04
  5. Step 5: Solve for x
    x = 8,968,743,737.04/103,234.48
  6. Step 6: Final answer
    x = 86,877.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.