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Finding the Fourth Proportional to 150,503.39, 207,704.00 and 83,435.39

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Solution

The fourth proportional to 150,503.39, 207,704.00 and 83,435.39 is: 115,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,503.39 : 207,704.00 = 83,435.39 : x
  2. Step 2: Convert to fraction form
    150,503.39/207,704.00 = 83,435.39/x
  3. Step 3: Cross multiply
    150,503.39x = 207,704.00 × 83,435.39
  4. Step 4: Simplify right side
    150,503.39x = 17,329,863,414.63
  5. Step 5: Solve for x
    x = 17,329,863,414.63/150,503.39
  6. Step 6: Final answer
    x = 115,146.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.