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Finding the Fourth Proportional to 220,039.53, 303,655.53 and 124,564.69

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Solution

The fourth proportional to 220,039.53, 303,655.53 and 124,564.69 is: 171,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,039.53 : 303,655.53 = 124,564.69 : x
  2. Step 2: Convert to fraction form
    220,039.53/303,655.53 = 124,564.69/x
  3. Step 3: Cross multiply
    220,039.53x = 303,655.53 × 124,564.69
  4. Step 4: Simplify right side
    220,039.53x = 37,824,756,961.24
  5. Step 5: Solve for x
    x = 37,824,756,961.24/220,039.53
  6. Step 6: Final answer
    x = 171,899.83

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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.