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Finding the Fourth Proportional to 154,479.60, 231,330.60 and 101,602.80

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Solution

The fourth proportional to 154,479.60, 231,330.60 and 101,602.80 is: 152,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,479.60 : 231,330.60 = 101,602.80 : x
  2. Step 2: Convert to fraction form
    154,479.60/231,330.60 = 101,602.80/x
  3. Step 3: Cross multiply
    154,479.60x = 231,330.60 × 101,602.80
  4. Step 4: Simplify right side
    154,479.60x = 23,503,836,685.68
  5. Step 5: Solve for x
    x = 23,503,836,685.68/154,479.60
  6. Step 6: Final answer
    x = 152,148.48

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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.