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Finding the Fourth Proportional to 176,264.42, 264,487.74 and 87,515.96

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Solution

The fourth proportional to 176,264.42, 264,487.74 and 87,515.96 is: 131,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,264.42 : 264,487.74 = 87,515.96 : x
  2. Step 2: Convert to fraction form
    176,264.42/264,487.74 = 87,515.96/x
  3. Step 3: Cross multiply
    176,264.42x = 264,487.74 × 87,515.96
  4. Step 4: Simplify right side
    176,264.42x = 23,146,898,474.33
  5. Step 5: Solve for x
    x = 23,146,898,474.33/176,264.42
  6. Step 6: Final answer
    x = 131,319.18

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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.