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Finding the Fourth Proportional to 175,363.98, 242,002.29 and 127,657.31

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Solution

The fourth proportional to 175,363.98, 242,002.29 and 127,657.31 is: 176,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,363.98 : 242,002.29 = 127,657.31 : x
  2. Step 2: Convert to fraction form
    175,363.98/242,002.29 = 127,657.31/x
  3. Step 3: Cross multiply
    175,363.98x = 242,002.29 × 127,657.31
  4. Step 4: Simplify right side
    175,363.98x = 30,893,361,985.21
  5. Step 5: Solve for x
    x = 30,893,361,985.21/175,363.98
  6. Step 6: Final answer
    x = 176,167.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.