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Finding the Fourth Proportional to 299,053.52, 448,581.36 and 88,693.28

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Solution

The fourth proportional to 299,053.52, 448,581.36 and 88,693.28 is: 133,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,053.52 : 448,581.36 = 88,693.28 : x
  2. Step 2: Convert to fraction form
    299,053.52/448,581.36 = 88,693.28/x
  3. Step 3: Cross multiply
    299,053.52x = 448,581.36 × 88,693.28
  4. Step 4: Simplify right side
    299,053.52x = 39,786,152,165.26
  5. Step 5: Solve for x
    x = 39,786,152,165.26/299,053.52
  6. Step 6: Final answer
    x = 133,040.24

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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.