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Finding the Fourth Proportional to 295,586.96, 443,557.08 and 108,617.36

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Solution

The fourth proportional to 295,586.96, 443,557.08 and 108,617.36 is: 162,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,586.96 : 443,557.08 = 108,617.36 : x
  2. Step 2: Convert to fraction form
    295,586.96/443,557.08 = 108,617.36/x
  3. Step 3: Cross multiply
    295,586.96x = 443,557.08 × 108,617.36
  4. Step 4: Simplify right side
    295,586.96x = 48,177,999,038.91
  5. Step 5: Solve for x
    x = 48,177,999,038.91/295,586.96
  6. Step 6: Final answer
    x = 162,990.95

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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.