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Finding the Fourth Proportional to 230,726.40, 346,024.80 and 73,003.20

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Solution

The fourth proportional to 230,726.40, 346,024.80 and 73,003.20 is: 109,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,726.40 : 346,024.80 = 73,003.20 : x
  2. Step 2: Convert to fraction form
    230,726.40/346,024.80 = 73,003.20/x
  3. Step 3: Cross multiply
    230,726.40x = 346,024.80 × 73,003.20
  4. Step 4: Simplify right side
    230,726.40x = 25,260,917,679.36
  5. Step 5: Solve for x
    x = 25,260,917,679.36/230,726.40
  6. Step 6: Final answer
    x = 109,484.30

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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.