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Finding the Fourth Proportional to 162,466.34, 243,741.15 and 67,665.02

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Solution

The fourth proportional to 162,466.34, 243,741.15 and 67,665.02 is: 101,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,466.34 : 243,741.15 = 67,665.02 : x
  2. Step 2: Convert to fraction form
    162,466.34/243,741.15 = 67,665.02/x
  3. Step 3: Cross multiply
    162,466.34x = 243,741.15 × 67,665.02
  4. Step 4: Simplify right side
    162,466.34x = 16,492,748,570.87
  5. Step 5: Solve for x
    x = 16,492,748,570.87/162,466.34
  6. Step 6: Final answer
    x = 101,514.87

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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.