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Finding the Fourth Proportional to 108,330.36, 162,384.84 and 41,744.40

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Solution

The fourth proportional to 108,330.36, 162,384.84 and 41,744.40 is: 62,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,330.36 : 162,384.84 = 41,744.40 : x
  2. Step 2: Convert to fraction form
    108,330.36/162,384.84 = 41,744.40/x
  3. Step 3: Cross multiply
    108,330.36x = 162,384.84 × 41,744.40
  4. Step 4: Simplify right side
    108,330.36x = 6,778,657,714.90
  5. Step 5: Solve for x
    x = 6,778,657,714.90/108,330.36
  6. Step 6: Final answer
    x = 62,573.94

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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.