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Finding the Fourth Proportional to 162,920.98, 224,821.62 and 94,949.02

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Solution

The fourth proportional to 162,920.98, 224,821.62 and 94,949.02 is: 131,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,920.98 : 224,821.62 = 94,949.02 : x
  2. Step 2: Convert to fraction form
    162,920.98/224,821.62 = 94,949.02/x
  3. Step 3: Cross multiply
    162,920.98x = 224,821.62 × 94,949.02
  4. Step 4: Simplify right side
    162,920.98x = 21,346,592,493.81
  5. Step 5: Solve for x
    x = 21,346,592,493.81/162,920.98
  6. Step 6: Final answer
    x = 131,024.21

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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.