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Finding the Fourth Proportional to 103,604.60, 155,390.16 and 37,033.40

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Solution

The fourth proportional to 103,604.60, 155,390.16 and 37,033.40 is: 55,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,604.60 : 155,390.16 = 37,033.40 : x
  2. Step 2: Convert to fraction form
    103,604.60/155,390.16 = 37,033.40/x
  3. Step 3: Cross multiply
    103,604.60x = 155,390.16 × 37,033.40
  4. Step 4: Simplify right side
    103,604.60x = 5,754,625,951.34
  5. Step 5: Solve for x
    x = 5,754,625,951.34/103,604.60
  6. Step 6: Final answer
    x = 55,544.12

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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.