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Finding the Fourth Proportional to 291,819.03, 402,702.06 and 162,761.41

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Solution

The fourth proportional to 291,819.03, 402,702.06 and 162,761.41 is: 224,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,819.03 : 402,702.06 = 162,761.41 : x
  2. Step 2: Convert to fraction form
    291,819.03/402,702.06 = 162,761.41/x
  3. Step 3: Cross multiply
    291,819.03x = 402,702.06 × 162,761.41
  4. Step 4: Simplify right side
    291,819.03x = 65,544,355,095.50
  5. Step 5: Solve for x
    x = 65,544,355,095.50/291,819.03
  6. Step 6: Final answer
    x = 224,606.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.