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Finding the Fourth Proportional to 250,702.62, 376,055.21 and 84,492.06

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Solution

The fourth proportional to 250,702.62, 376,055.21 and 84,492.06 is: 126,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,702.62 : 376,055.21 = 84,492.06 : x
  2. Step 2: Convert to fraction form
    250,702.62/376,055.21 = 84,492.06/x
  3. Step 3: Cross multiply
    250,702.62x = 376,055.21 × 84,492.06
  4. Step 4: Simplify right side
    250,702.62x = 31,773,679,366.63
  5. Step 5: Solve for x
    x = 31,773,679,366.63/250,702.62
  6. Step 6: Final answer
    x = 126,738.52

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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.