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Finding the Fourth Proportional to 181,338.65, 250,270.34 and 109,719.26

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Solution

The fourth proportional to 181,338.65, 250,270.34 and 109,719.26 is: 151,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,338.65 : 250,270.34 = 109,719.26 : x
  2. Step 2: Convert to fraction form
    181,338.65/250,270.34 = 109,719.26/x
  3. Step 3: Cross multiply
    181,338.65x = 250,270.34 × 109,719.26
  4. Step 4: Simplify right side
    181,338.65x = 27,459,475,253.40
  5. Step 5: Solve for x
    x = 27,459,475,253.40/181,338.65
  6. Step 6: Final answer
    x = 151,426.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.