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Finding the Fourth Proportional to 296,722.70, 445,138.72 and 97,053.71

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Solution

The fourth proportional to 296,722.70, 445,138.72 and 97,053.71 is: 145,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,722.70 : 445,138.72 = 97,053.71 : x
  2. Step 2: Convert to fraction form
    296,722.70/445,138.72 = 97,053.71/x
  3. Step 3: Cross multiply
    296,722.70x = 445,138.72 × 97,053.71
  4. Step 4: Simplify right side
    296,722.70x = 43,202,361,772.32
  5. Step 5: Solve for x
    x = 43,202,361,772.32/296,722.70
  6. Step 6: Final answer
    x = 145,598.44

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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.