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Finding the Fourth Proportional to 181,493.46, 272,240.46 and 70,685.46

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Solution

The fourth proportional to 181,493.46, 272,240.46 and 70,685.46 is: 106,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,493.46 : 272,240.46 = 70,685.46 : x
  2. Step 2: Convert to fraction form
    181,493.46/272,240.46 = 70,685.46/x
  3. Step 3: Cross multiply
    181,493.46x = 272,240.46 × 70,685.46
  4. Step 4: Simplify right side
    181,493.46x = 19,243,442,145.71
  5. Step 5: Solve for x
    x = 19,243,442,145.71/181,493.46
  6. Step 6: Final answer
    x = 106,028.30

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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.