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Finding the Fourth Proportional to 354,570.96, 531,861.08 and 117,913.62

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Solution

The fourth proportional to 354,570.96, 531,861.08 and 117,913.62 is: 176,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,570.96 : 531,861.08 = 117,913.62 : x
  2. Step 2: Convert to fraction form
    354,570.96/531,861.08 = 117,913.62/x
  3. Step 3: Cross multiply
    354,570.96x = 531,861.08 × 117,913.62
  4. Step 4: Simplify right side
    354,570.96x = 62,713,664,690.34
  5. Step 5: Solve for x
    x = 62,713,664,690.34/354,570.96
  6. Step 6: Final answer
    x = 176,871.97

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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.