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Finding the Fourth Proportional to 58,392.16, 87,511.92 and 50,977.76

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Solution

The fourth proportional to 58,392.16, 87,511.92 and 50,977.76 is: 76,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,392.16 : 87,511.92 = 50,977.76 : x
  2. Step 2: Convert to fraction form
    58,392.16/87,511.92 = 50,977.76/x
  3. Step 3: Cross multiply
    58,392.16x = 87,511.92 × 50,977.76
  4. Step 4: Simplify right side
    58,392.16x = 4,461,161,654.90
  5. Step 5: Solve for x
    x = 4,461,161,654.90/58,392.16
  6. Step 6: Final answer
    x = 76,400.01

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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.