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Finding the Fourth Proportional to 99,655.97, 149,483.33 and 36,480.48

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Solution

The fourth proportional to 99,655.97, 149,483.33 and 36,480.48 is: 54,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,655.97 : 149,483.33 = 36,480.48 : x
  2. Step 2: Convert to fraction form
    99,655.97/149,483.33 = 36,480.48/x
  3. Step 3: Cross multiply
    99,655.97x = 149,483.33 × 36,480.48
  4. Step 4: Simplify right side
    99,655.97x = 5,453,223,721.60
  5. Step 5: Solve for x
    x = 5,453,223,721.60/99,655.97
  6. Step 6: Final answer
    x = 54,720.49

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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.