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Finding the Fourth Proportional to 345,349.52, 518,053.60 and 96,031.52

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Solution

The fourth proportional to 345,349.52, 518,053.60 and 96,031.52 is: 144,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,349.52 : 518,053.60 = 96,031.52 : x
  2. Step 2: Convert to fraction form
    345,349.52/518,053.60 = 96,031.52/x
  3. Step 3: Cross multiply
    345,349.52x = 518,053.60 × 96,031.52
  4. Step 4: Simplify right side
    345,349.52x = 49,749,474,649.47
  5. Step 5: Solve for x
    x = 49,749,474,649.47/345,349.52
  6. Step 6: Final answer
    x = 144,055.43

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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.