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Finding the Fourth Proportional to 173,833.66, 260,399.88 and 145,674.66

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Solution

The fourth proportional to 173,833.66, 260,399.88 and 145,674.66 is: 218,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,833.66 : 260,399.88 = 145,674.66 : x
  2. Step 2: Convert to fraction form
    173,833.66/260,399.88 = 145,674.66/x
  3. Step 3: Cross multiply
    173,833.66x = 260,399.88 × 145,674.66
  4. Step 4: Simplify right side
    173,833.66x = 37,933,663,983.04
  5. Step 5: Solve for x
    x = 37,933,663,983.04/173,833.66
  6. Step 6: Final answer
    x = 218,218.17

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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.