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Finding the Fourth Proportional to 250,203.52, 375,343.62 and 84,030.40

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Solution

The fourth proportional to 250,203.52, 375,343.62 and 84,030.40 is: 126,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,203.52 : 375,343.62 = 84,030.40 : x
  2. Step 2: Convert to fraction form
    250,203.52/375,343.62 = 84,030.40/x
  3. Step 3: Cross multiply
    250,203.52x = 375,343.62 × 84,030.40
  4. Step 4: Simplify right side
    250,203.52x = 31,540,274,526.05
  5. Step 5: Solve for x
    x = 31,540,274,526.05/250,203.52
  6. Step 6: Final answer
    x = 126,058.48

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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.