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Finding the Fourth Proportional to 250,137.90, 374,875.11 and 131,892.93

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Solution

The fourth proportional to 250,137.90, 374,875.11 and 131,892.93 is: 197,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,137.90 : 374,875.11 = 131,892.93 : x
  2. Step 2: Convert to fraction form
    250,137.90/374,875.11 = 131,892.93/x
  3. Step 3: Cross multiply
    250,137.90x = 374,875.11 × 131,892.93
  4. Step 4: Simplify right side
    250,137.90x = 49,443,376,641.97
  5. Step 5: Solve for x
    x = 49,443,376,641.97/250,137.90
  6. Step 6: Final answer
    x = 197,664.47

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1.5x scale

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.