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Finding the Fourth Proportional to 250,515.84, 375,538.56 and 84,187.52

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Solution

The fourth proportional to 250,515.84, 375,538.56 and 84,187.52 is: 126,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,515.84 : 375,538.56 = 84,187.52 : x
  2. Step 2: Convert to fraction form
    250,515.84/375,538.56 = 84,187.52/x
  3. Step 3: Cross multiply
    250,515.84x = 375,538.56 × 84,187.52
  4. Step 4: Simplify right side
    250,515.84x = 31,615,660,030.77
  5. Step 5: Solve for x
    x = 31,615,660,030.77/250,515.84
  6. Step 6: Final answer
    x = 126,202.24

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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.