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Finding the Fourth Proportional to 355,230.71, 532,846.41 and 99,053.05

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Solution

The fourth proportional to 355,230.71, 532,846.41 and 99,053.05 is: 148,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,230.71 : 532,846.41 = 99,053.05 : x
  2. Step 2: Convert to fraction form
    355,230.71/532,846.41 = 99,053.05/x
  3. Step 3: Cross multiply
    355,230.71x = 532,846.41 × 99,053.05
  4. Step 4: Simplify right side
    355,230.71x = 52,780,058,932.55
  5. Step 5: Solve for x
    x = 52,780,058,932.55/355,230.71
  6. Step 6: Final answer
    x = 148,579.66

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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.