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Finding the Fourth Proportional to 115,553, 173,344.08 and 39,666.33

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Solution

The fourth proportional to 115,553, 173,344.08 and 39,666.33 is: 59,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553 : 173,344.08 = 39,666.33 : x
  2. Step 2: Convert to fraction form
    115,553/173,344.08 = 39,666.33/x
  3. Step 3: Cross multiply
    115,553x = 173,344.08 × 39,666.33
  4. Step 4: Simplify right side
    115,553x = 6,875,923,480.83
  5. Step 5: Solve for x
    x = 6,875,923,480.83/115,553
  6. Step 6: Final answer
    x = 59,504.50

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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.