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Finding the Fourth Proportional to 243,720.72, 365,543.28 and 94,031.10

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Solution

The fourth proportional to 243,720.72, 365,543.28 and 94,031.10 is: 141,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,720.72 : 365,543.28 = 94,031.10 : x
  2. Step 2: Convert to fraction form
    243,720.72/365,543.28 = 94,031.10/x
  3. Step 3: Cross multiply
    243,720.72x = 365,543.28 × 94,031.10
  4. Step 4: Simplify right side
    243,720.72x = 34,372,436,716.01
  5. Step 5: Solve for x
    x = 34,372,436,716.01/243,720.72
  6. Step 6: Final answer
    x = 141,032.07

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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.