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Finding the Fourth Proportional to 75,159.90, 103,600.22 and 50,953.46

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Solution

The fourth proportional to 75,159.90, 103,600.22 and 50,953.46 is: 70,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.90 : 103,600.22 = 50,953.46 : x
  2. Step 2: Convert to fraction form
    75,159.90/103,600.22 = 50,953.46/x
  3. Step 3: Cross multiply
    75,159.90x = 103,600.22 × 50,953.46
  4. Step 4: Simplify right side
    75,159.90x = 5,278,788,892.99
  5. Step 5: Solve for x
    x = 5,278,788,892.99/75,159.90
  6. Step 6: Final answer
    x = 70,234.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.