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Finding the Fourth Proportional to 150,070.78, 225,106.05 and 60,154.12

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Solution

The fourth proportional to 150,070.78, 225,106.05 and 60,154.12 is: 90,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,070.78 : 225,106.05 = 60,154.12 : x
  2. Step 2: Convert to fraction form
    150,070.78/225,106.05 = 60,154.12/x
  3. Step 3: Cross multiply
    150,070.78x = 225,106.05 × 60,154.12
  4. Step 4: Simplify right side
    150,070.78x = 13,541,056,344.43
  5. Step 5: Solve for x
    x = 13,541,056,344.43/150,070.78
  6. Step 6: Final answer
    x = 90,231.13

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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.