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Finding the Fourth Proportional to 169,077.84, 253,658.88 and 50,751.36

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Solution

The fourth proportional to 169,077.84, 253,658.88 and 50,751.36 is: 76,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,077.84 : 253,658.88 = 50,751.36 : x
  2. Step 2: Convert to fraction form
    169,077.84/253,658.88 = 50,751.36/x
  3. Step 3: Cross multiply
    169,077.84x = 253,658.88 × 50,751.36
  4. Step 4: Simplify right side
    169,077.84x = 12,873,533,136.08
  5. Step 5: Solve for x
    x = 12,873,533,136.08/169,077.84
  6. Step 6: Final answer
    x = 76,139.68

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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.