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Finding the Fourth Proportional to 162,662.08, 243,826.08 and 92,391.36

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Solution

The fourth proportional to 162,662.08, 243,826.08 and 92,391.36 is: 138,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,662.08 : 243,826.08 = 92,391.36 : x
  2. Step 2: Convert to fraction form
    162,662.08/243,826.08 = 92,391.36/x
  3. Step 3: Cross multiply
    162,662.08x = 243,826.08 × 92,391.36
  4. Step 4: Simplify right side
    162,662.08x = 22,527,423,134.67
  5. Step 5: Solve for x
    x = 22,527,423,134.67/162,662.08
  6. Step 6: Final answer
    x = 138,492.16

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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.