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Finding the Fourth Proportional to 174,846.65, 261,706.01 and 90,490.77

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Solution

The fourth proportional to 174,846.65, 261,706.01 and 90,490.77 is: 135,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,846.65 : 261,706.01 = 90,490.77 : x
  2. Step 2: Convert to fraction form
    174,846.65/261,706.01 = 90,490.77/x
  3. Step 3: Cross multiply
    174,846.65x = 261,706.01 × 90,490.77
  4. Step 4: Simplify right side
    174,846.65x = 23,681,977,906.07
  5. Step 5: Solve for x
    x = 23,681,977,906.07/174,846.65
  6. Step 6: Final answer
    x = 135,444.28

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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.