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Finding the Fourth Proportional to 243,526.91, 365,324.66 and 75,060.86

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Solution

The fourth proportional to 243,526.91, 365,324.66 and 75,060.86 is: 112,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,526.91 : 365,324.66 = 75,060.86 : x
  2. Step 2: Convert to fraction form
    243,526.91/365,324.66 = 75,060.86/x
  3. Step 3: Cross multiply
    243,526.91x = 365,324.66 × 75,060.86
  4. Step 4: Simplify right side
    243,526.91x = 27,421,580,956.88
  5. Step 5: Solve for x
    x = 27,421,580,956.88/243,526.91
  6. Step 6: Final answer
    x = 112,601.85

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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.