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Finding the Fourth Proportional to 355,098.34, 532,649.52 and 118,440.37

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Solution

The fourth proportional to 355,098.34, 532,649.52 and 118,440.37 is: 177,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,098.34 : 532,649.52 = 118,440.37 : x
  2. Step 2: Convert to fraction form
    355,098.34/532,649.52 = 118,440.37/x
  3. Step 3: Cross multiply
    355,098.34x = 532,649.52 × 118,440.37
  4. Step 4: Simplify right side
    355,098.34x = 63,087,206,229.12
  5. Step 5: Solve for x
    x = 63,087,206,229.12/355,098.34
  6. Step 6: Final answer
    x = 177,661.23

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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.