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Finding the Fourth Proportional to 285,248.68, 427,940.56 and 93,122.12

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Solution

The fourth proportional to 285,248.68, 427,940.56 and 93,122.12 is: 139,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,248.68 : 427,940.56 = 93,122.12 : x
  2. Step 2: Convert to fraction form
    285,248.68/427,940.56 = 93,122.12/x
  3. Step 3: Cross multiply
    285,248.68x = 427,940.56 × 93,122.12
  4. Step 4: Simplify right side
    285,248.68x = 39,850,732,181.19
  5. Step 5: Solve for x
    x = 39,850,732,181.19/285,248.68
  6. Step 6: Final answer
    x = 139,705.23

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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.