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Finding the Fourth Proportional to 119,977.92, 180,075.96 and 63,864.97

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Solution

The fourth proportional to 119,977.92, 180,075.96 and 63,864.97 is: 95,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.92 : 180,075.96 = 63,864.97 : x
  2. Step 2: Convert to fraction form
    119,977.92/180,075.96 = 63,864.97/x
  3. Step 3: Cross multiply
    119,977.92x = 180,075.96 × 63,864.97
  4. Step 4: Simplify right side
    119,977.92x = 11,500,545,332.93
  5. Step 5: Solve for x
    x = 11,500,545,332.93/119,977.92
  6. Step 6: Final answer
    x = 95,855.52

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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.