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Finding the Fourth Proportional to 176,098.60, 264,666.30 and 172,988.20

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Solution

The fourth proportional to 176,098.60, 264,666.30 and 172,988.20 is: 259,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,098.60 : 264,666.30 = 172,988.20 : x
  2. Step 2: Convert to fraction form
    176,098.60/264,666.30 = 172,988.20/x
  3. Step 3: Cross multiply
    176,098.60x = 264,666.30 × 172,988.20
  4. Step 4: Simplify right side
    176,098.60x = 45,784,146,837.66
  5. Step 5: Solve for x
    x = 45,784,146,837.66/176,098.60
  6. Step 6: Final answer
    x = 259,991.54

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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.