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Finding the Fourth Proportional to 150,669.68, 225,728.96 and 70,560.64

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Solution

The fourth proportional to 150,669.68, 225,728.96 and 70,560.64 is: 105,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,669.68 : 225,728.96 = 70,560.64 : x
  2. Step 2: Convert to fraction form
    150,669.68/225,728.96 = 70,560.64/x
  3. Step 3: Cross multiply
    150,669.68x = 225,728.96 × 70,560.64
  4. Step 4: Simplify right side
    150,669.68x = 15,927,579,884.13
  5. Step 5: Solve for x
    x = 15,927,579,884.13/150,669.68
  6. Step 6: Final answer
    x = 105,711.91

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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.