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Finding the Fourth Proportional to 109,242, 163,863 and 62,462.07

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Solution

The fourth proportional to 109,242, 163,863 and 62,462.07 is: 93,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,242 : 163,863 = 62,462.07 : x
  2. Step 2: Convert to fraction form
    109,242/163,863 = 62,462.07/x
  3. Step 3: Cross multiply
    109,242x = 163,863 × 62,462.07
  4. Step 4: Simplify right side
    109,242x = 10,235,222,176.41
  5. Step 5: Solve for x
    x = 10,235,222,176.41/109,242
  6. Step 6: Final answer
    x = 93,693.11

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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.