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Finding the Fourth Proportional to 147,950.74, 221,927.74 and 42,770.62

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Solution

The fourth proportional to 147,950.74, 221,927.74 and 42,770.62 is: 64,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,950.74 : 221,927.74 = 42,770.62 : x
  2. Step 2: Convert to fraction form
    147,950.74/221,927.74 = 42,770.62/x
  3. Step 3: Cross multiply
    147,950.74x = 221,927.74 × 42,770.62
  4. Step 4: Simplify right side
    147,950.74x = 9,491,987,035.00
  5. Step 5: Solve for x
    x = 9,491,987,035.00/147,950.74
  6. Step 6: Final answer
    x = 64,156.40

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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.