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Finding the Fourth Proportional to 169,768.39, 234,268.87 and 93,292.80

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Solution

The fourth proportional to 169,768.39, 234,268.87 and 93,292.80 is: 128,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,768.39 : 234,268.87 = 93,292.80 : x
  2. Step 2: Convert to fraction form
    169,768.39/234,268.87 = 93,292.80/x
  3. Step 3: Cross multiply
    169,768.39x = 234,268.87 × 93,292.80
  4. Step 4: Simplify right side
    169,768.39x = 21,855,598,835.14
  5. Step 5: Solve for x
    x = 21,855,598,835.14/169,768.39
  6. Step 6: Final answer
    x = 128,737.74

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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.