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Finding the Fourth Proportional to 170,956.42, 256,428.48 and 52,624.69

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Solution

The fourth proportional to 170,956.42, 256,428.48 and 52,624.69 is: 78,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,956.42 : 256,428.48 = 52,624.69 : x
  2. Step 2: Convert to fraction form
    170,956.42/256,428.48 = 52,624.69/x
  3. Step 3: Cross multiply
    170,956.42x = 256,428.48 × 52,624.69
  4. Step 4: Simplify right side
    170,956.42x = 13,494,468,823.44
  5. Step 5: Solve for x
    x = 13,494,468,823.44/170,956.42
  6. Step 6: Final answer
    x = 78,935.14

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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.