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Finding the Fourth Proportional to 178,953.11, 246,952.02 and 98,379.91

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Solution

The fourth proportional to 178,953.11, 246,952.02 and 98,379.91 is: 135,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,953.11 : 246,952.02 = 98,379.91 : x
  2. Step 2: Convert to fraction form
    178,953.11/246,952.02 = 98,379.91/x
  3. Step 3: Cross multiply
    178,953.11x = 246,952.02 × 98,379.91
  4. Step 4: Simplify right side
    178,953.11x = 24,295,117,501.92
  5. Step 5: Solve for x
    x = 24,295,117,501.92/178,953.11
  6. Step 6: Final answer
    x = 135,762.48

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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.