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Finding the Fourth Proportional to 162,719.10, 243,603.45 and 116,063.10

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Solution

The fourth proportional to 162,719.10, 243,603.45 and 116,063.10 is: 173,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,719.10 : 243,603.45 = 116,063.10 : x
  2. Step 2: Convert to fraction form
    162,719.10/243,603.45 = 116,063.10/x
  3. Step 3: Cross multiply
    162,719.10x = 243,603.45 × 116,063.10
  4. Step 4: Simplify right side
    162,719.10x = 28,273,371,577.70
  5. Step 5: Solve for x
    x = 28,273,371,577.70/162,719.10
  6. Step 6: Final answer
    x = 173,755.70

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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.