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Finding the Fourth Proportional to 247,874.22, 370,892.79 and 148,088.70

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Solution

The fourth proportional to 247,874.22, 370,892.79 and 148,088.70 is: 221,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,874.22 : 370,892.79 = 148,088.70 : x
  2. Step 2: Convert to fraction form
    247,874.22/370,892.79 = 148,088.70/x
  3. Step 3: Cross multiply
    247,874.22x = 370,892.79 × 148,088.70
  4. Step 4: Simplify right side
    247,874.22x = 54,925,031,110.47
  5. Step 5: Solve for x
    x = 54,925,031,110.47/247,874.22
  6. Step 6: Final answer
    x = 221,584.28

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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.