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Finding the Fourth Proportional to 109,393.40, 164,090.10 and 62,607.80

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Solution

The fourth proportional to 109,393.40, 164,090.10 and 62,607.80 is: 93,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,393.40 : 164,090.10 = 62,607.80 : x
  2. Step 2: Convert to fraction form
    109,393.40/164,090.10 = 62,607.80/x
  3. Step 3: Cross multiply
    109,393.40x = 164,090.10 × 62,607.80
  4. Step 4: Simplify right side
    109,393.40x = 10,273,320,162.78
  5. Step 5: Solve for x
    x = 10,273,320,162.78/109,393.40
  6. Step 6: Final answer
    x = 93,911.70

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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.