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Finding the Fourth Proportional to 109,597.40, 164,396.10 and 62,811.80

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Solution

The fourth proportional to 109,597.40, 164,396.10 and 62,811.80 is: 94,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,597.40 : 164,396.10 = 62,811.80 : x
  2. Step 2: Convert to fraction form
    109,597.40/164,396.10 = 62,811.80/x
  3. Step 3: Cross multiply
    109,597.40x = 164,396.10 × 62,811.80
  4. Step 4: Simplify right side
    109,597.40x = 10,326,014,953.98
  5. Step 5: Solve for x
    x = 10,326,014,953.98/109,597.40
  6. Step 6: Final answer
    x = 94,217.70

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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.