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Finding the Fourth Proportional to 175,094.08, 262,723.16 and 86,299.16

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Solution

The fourth proportional to 175,094.08, 262,723.16 and 86,299.16 is: 129,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,094.08 : 262,723.16 = 86,299.16 : x
  2. Step 2: Convert to fraction form
    175,094.08/262,723.16 = 86,299.16/x
  3. Step 3: Cross multiply
    175,094.08x = 262,723.16 × 86,299.16
  4. Step 4: Simplify right side
    175,094.08x = 22,672,788,020.55
  5. Step 5: Solve for x
    x = 22,672,788,020.55/175,094.08
  6. Step 6: Final answer
    x = 129,489.18

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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.