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Finding the Fourth Proportional to 147,950.91, 222,041.45 and 103,287.63

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Solution

The fourth proportional to 147,950.91, 222,041.45 and 103,287.63 is: 155,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,950.91 : 222,041.45 = 103,287.63 : x
  2. Step 2: Convert to fraction form
    147,950.91/222,041.45 = 103,287.63/x
  3. Step 3: Cross multiply
    147,950.91x = 222,041.45 × 103,287.63
  4. Step 4: Simplify right side
    147,950.91x = 22,934,134,615.83
  5. Step 5: Solve for x
    x = 22,934,134,615.83/147,950.91
  6. Step 6: Final answer
    x = 155,011.78

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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.