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Finding the Fourth Proportional to 181,251.10, 250,117.83 and 100,683.82

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Solution

The fourth proportional to 181,251.10, 250,117.83 and 100,683.82 is: 138,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,251.10 : 250,117.83 = 100,683.82 : x
  2. Step 2: Convert to fraction form
    181,251.10/250,117.83 = 100,683.82/x
  3. Step 3: Cross multiply
    181,251.10x = 250,117.83 × 100,683.82
  4. Step 4: Simplify right side
    181,251.10x = 25,182,818,574.51
  5. Step 5: Solve for x
    x = 25,182,818,574.51/181,251.10
  6. Step 6: Final answer
    x = 138,938.85

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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.