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Finding the Fourth Proportional to 246,465.70, 369,764.05 and 77,989.02

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Solution

The fourth proportional to 246,465.70, 369,764.05 and 77,989.02 is: 117,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,465.70 : 369,764.05 = 77,989.02 : x
  2. Step 2: Convert to fraction form
    246,465.70/369,764.05 = 77,989.02/x
  3. Step 3: Cross multiply
    246,465.70x = 369,764.05 × 77,989.02
  4. Step 4: Simplify right side
    246,465.70x = 28,837,535,890.73
  5. Step 5: Solve for x
    x = 28,837,535,890.73/246,465.70
  6. Step 6: Final answer
    x = 117,004.26

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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.