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Finding the Fourth Proportional to 250,188.94, 375,322.29 and 84,015.82

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Solution

The fourth proportional to 250,188.94, 375,322.29 and 84,015.82 is: 126,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,188.94 : 375,322.29 = 84,015.82 : x
  2. Step 2: Convert to fraction form
    250,188.94/375,322.29 = 84,015.82/x
  3. Step 3: Cross multiply
    250,188.94x = 375,322.29 × 84,015.82
  4. Step 4: Simplify right side
    250,188.94x = 31,533,009,020.32
  5. Step 5: Solve for x
    x = 31,533,009,020.32/250,188.94
  6. Step 6: Final answer
    x = 126,036.78

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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.