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Finding the Fourth Proportional to 147,950.70, 221,796.45 and 88,809.90

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Solution

The fourth proportional to 147,950.70, 221,796.45 and 88,809.90 is: 133,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,950.70 : 221,796.45 = 88,809.90 : x
  2. Step 2: Convert to fraction form
    147,950.70/221,796.45 = 88,809.90/x
  3. Step 3: Cross multiply
    147,950.70x = 221,796.45 × 88,809.90
  4. Step 4: Simplify right side
    147,950.70x = 19,697,720,544.86
  5. Step 5: Solve for x
    x = 19,697,720,544.86/147,950.70
  6. Step 6: Final answer
    x = 133,137.06

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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.