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Finding the Fourth Proportional to 103,065.57, 154,553.54 and 35,604.63

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Solution

The fourth proportional to 103,065.57, 154,553.54 and 35,604.63 is: 53,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,065.57 : 154,553.54 = 35,604.63 : x
  2. Step 2: Convert to fraction form
    103,065.57/154,553.54 = 35,604.63/x
  3. Step 3: Cross multiply
    103,065.57x = 154,553.54 × 35,604.63
  4. Step 4: Simplify right side
    103,065.57x = 5,502,821,428.87
  5. Step 5: Solve for x
    x = 5,502,821,428.87/103,065.57
  6. Step 6: Final answer
    x = 53,391.46

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1.5x scale

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.