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Finding the Fourth Proportional to 120,792.65, 166,704.41 and 67,088.16

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Solution

The fourth proportional to 120,792.65, 166,704.41 and 67,088.16 is: 92,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,792.65 : 166,704.41 = 67,088.16 : x
  2. Step 2: Convert to fraction form
    120,792.65/166,704.41 = 67,088.16/x
  3. Step 3: Cross multiply
    120,792.65x = 166,704.41 × 67,088.16
  4. Step 4: Simplify right side
    120,792.65x = 11,183,892,298.51
  5. Step 5: Solve for x
    x = 11,183,892,298.51/120,792.65
  6. Step 6: Final answer
    x = 92,587.53

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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.