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Finding the Fourth Proportional to 178,864.04, 246,838.11 and 98,299.01

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Solution

The fourth proportional to 178,864.04, 246,838.11 and 98,299.01 is: 135,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,864.04 : 246,838.11 = 98,299.01 : x
  2. Step 2: Convert to fraction form
    178,864.04/246,838.11 = 98,299.01/x
  3. Step 3: Cross multiply
    178,864.04x = 246,838.11 × 98,299.01
  4. Step 4: Simplify right side
    178,864.04x = 24,263,941,843.27
  5. Step 5: Solve for x
    x = 24,263,941,843.27/178,864.04
  6. Step 6: Final answer
    x = 135,655.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.