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Finding the Fourth Proportional to 299,063.58, 448,619.66 and 88,700.91

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Solution

The fourth proportional to 299,063.58, 448,619.66 and 88,700.91 is: 133,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,063.58 : 448,619.66 = 88,700.91 : x
  2. Step 2: Convert to fraction form
    299,063.58/448,619.66 = 88,700.91/x
  3. Step 3: Cross multiply
    299,063.58x = 448,619.66 × 88,700.91
  4. Step 4: Simplify right side
    299,063.58x = 39,792,970,791.63
  5. Step 5: Solve for x
    x = 39,792,970,791.63/299,063.58
  6. Step 6: Final answer
    x = 133,058.57

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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.