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Finding the Fourth Proportional to 162,492.48, 243,563.09 and 67,697.24

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Solution

The fourth proportional to 162,492.48, 243,563.09 and 67,697.24 is: 101,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,492.48 : 243,563.09 = 67,697.24 : x
  2. Step 2: Convert to fraction form
    162,492.48/243,563.09 = 67,697.24/x
  3. Step 3: Cross multiply
    162,492.48x = 243,563.09 × 67,697.24
  4. Step 4: Simplify right side
    162,492.48x = 16,488,547,402.57
  5. Step 5: Solve for x
    x = 16,488,547,402.57/162,492.48
  6. Step 6: Final answer
    x = 101,472.68

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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.