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Finding the Fourth Proportional to 176,066.60, 264,618.30 and 172,956.20

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Solution

The fourth proportional to 176,066.60, 264,618.30 and 172,956.20 is: 259,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,066.60 : 264,618.30 = 172,956.20 : x
  2. Step 2: Convert to fraction form
    176,066.60/264,618.30 = 172,956.20/x
  3. Step 3: Cross multiply
    176,066.60x = 264,618.30 × 172,956.20
  4. Step 4: Simplify right side
    176,066.60x = 45,767,375,618.46
  5. Step 5: Solve for x
    x = 45,767,375,618.46/176,066.60
  6. Step 6: Final answer
    x = 259,943.54

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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.