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Finding the Fourth Proportional to 179,700.72, 269,602.92 and 55,060.08

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Solution

The fourth proportional to 179,700.72, 269,602.92 and 55,060.08 is: 82,606.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,700.72 : 269,602.92 = 55,060.08 : x
  2. Step 2: Convert to fraction form
    179,700.72/269,602.92 = 55,060.08/x
  3. Step 3: Cross multiply
    179,700.72x = 269,602.92 × 55,060.08
  4. Step 4: Simplify right side
    179,700.72x = 14,844,358,343.43
  5. Step 5: Solve for x
    x = 14,844,358,343.43/179,700.72
  6. Step 6: Final answer
    x = 82,606.00

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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.