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Finding the Fourth Proportional to 154,317.60, 231,476.40 and 94,960.80

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Solution

The fourth proportional to 154,317.60, 231,476.40 and 94,960.80 is: 142,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,317.60 : 231,476.40 = 94,960.80 : x
  2. Step 2: Convert to fraction form
    154,317.60/231,476.40 = 94,960.80/x
  3. Step 3: Cross multiply
    154,317.60x = 231,476.40 × 94,960.80
  4. Step 4: Simplify right side
    154,317.60x = 21,981,184,125.12
  5. Step 5: Solve for x
    x = 21,981,184,125.12/154,317.60
  6. Step 6: Final answer
    x = 142,441.20

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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.