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Finding the Fourth Proportional to 299,065.08, 448,621.92 and 88,702.41

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Solution

The fourth proportional to 299,065.08, 448,621.92 and 88,702.41 is: 133,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,065.08 : 448,621.92 = 88,702.41 : x
  2. Step 2: Convert to fraction form
    299,065.08/448,621.92 = 88,702.41/x
  3. Step 3: Cross multiply
    299,065.08x = 448,621.92 × 88,702.41
  4. Step 4: Simplify right side
    299,065.08x = 39,793,845,482.83
  5. Step 5: Solve for x
    x = 39,793,845,482.83/299,065.08
  6. Step 6: Final answer
    x = 133,060.82

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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.