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Finding the Fourth Proportional to 101,200.84, 151,565.18 and 79,998.58

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Solution

The fourth proportional to 101,200.84, 151,565.18 and 79,998.58 is: 119,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,200.84 : 151,565.18 = 79,998.58 : x
  2. Step 2: Convert to fraction form
    101,200.84/151,565.18 = 79,998.58/x
  3. Step 3: Cross multiply
    101,200.84x = 151,565.18 × 79,998.58
  4. Step 4: Simplify right side
    101,200.84x = 12,124,998,998.53
  5. Step 5: Solve for x
    x = 12,124,998,998.53/101,200.84
  6. Step 6: Final answer
    x = 119,811.25

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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.