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Finding the Fourth Proportional to 250,187.63, 375,320.32 and 84,014.51

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Solution

The fourth proportional to 250,187.63, 375,320.32 and 84,014.51 is: 126,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,187.63 : 375,320.32 = 84,014.51 : x
  2. Step 2: Convert to fraction form
    250,187.63/375,320.32 = 84,014.51/x
  3. Step 3: Cross multiply
    250,187.63x = 375,320.32 × 84,014.51
  4. Step 4: Simplify right side
    250,187.63x = 31,532,350,691.21
  5. Step 5: Solve for x
    x = 31,532,350,691.21/250,187.63
  6. Step 6: Final answer
    x = 126,034.81

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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.