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Finding the Fourth Proportional to 243,526.84, 365,324.56 and 75,060.78

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Solution

The fourth proportional to 243,526.84, 365,324.56 and 75,060.78 is: 112,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,526.84 : 365,324.56 = 75,060.78 : x
  2. Step 2: Convert to fraction form
    243,526.84/365,324.56 = 75,060.78/x
  3. Step 3: Cross multiply
    243,526.84x = 365,324.56 × 75,060.78
  4. Step 4: Simplify right side
    243,526.84x = 27,421,546,426.76
  5. Step 5: Solve for x
    x = 27,421,546,426.76/243,526.84
  6. Step 6: Final answer
    x = 112,601.74

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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.