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Finding the Fourth Proportional to 246,011.76, 369,073.68 and 77,531.20

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Solution

The fourth proportional to 246,011.76, 369,073.68 and 77,531.20 is: 116,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,011.76 : 369,073.68 = 77,531.20 : x
  2. Step 2: Convert to fraction form
    246,011.76/369,073.68 = 77,531.20/x
  3. Step 3: Cross multiply
    246,011.76x = 369,073.68 × 77,531.20
  4. Step 4: Simplify right side
    246,011.76x = 28,614,725,298.82
  5. Step 5: Solve for x
    x = 28,614,725,298.82/246,011.76
  6. Step 6: Final answer
    x = 116,314.46

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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.