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Finding the Fourth Proportional to 176,670.78, 264,866.72 and 87,875.84

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Solution

The fourth proportional to 176,670.78, 264,866.72 and 87,875.84 is: 131,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,670.78 : 264,866.72 = 87,875.84 : x
  2. Step 2: Convert to fraction form
    176,670.78/264,866.72 = 87,875.84/x
  3. Step 3: Cross multiply
    176,670.78x = 264,866.72 × 87,875.84
  4. Step 4: Simplify right side
    176,670.78x = 23,275,385,508.04
  5. Step 5: Solve for x
    x = 23,275,385,508.04/176,670.78
  6. Step 6: Final answer
    x = 131,744.40

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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.