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Finding the Fourth Proportional to 169,156.55, 253,756.71 and 50,839.85

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Solution

The fourth proportional to 169,156.55, 253,756.71 and 50,839.85 is: 76,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,156.55 : 253,756.71 = 50,839.85 : x
  2. Step 2: Convert to fraction form
    169,156.55/253,756.71 = 50,839.85/x
  3. Step 3: Cross multiply
    169,156.55x = 253,756.71 × 50,839.85
  4. Step 4: Simplify right side
    169,156.55x = 12,900,951,804.11
  5. Step 5: Solve for x
    x = 12,900,951,804.11/169,156.55
  6. Step 6: Final answer
    x = 76,266.35

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1.5x scale

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.