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Finding the Fourth Proportional to 201,588.00, 278,185.53 and 110,943.91

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Solution

The fourth proportional to 201,588.00, 278,185.53 and 110,943.91 is: 153,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,588.00 : 278,185.53 = 110,943.91 : x
  2. Step 2: Convert to fraction form
    201,588.00/278,185.53 = 110,943.91/x
  3. Step 3: Cross multiply
    201,588.00x = 278,185.53 × 110,943.91
  4. Step 4: Simplify right side
    201,588.00x = 30,862,990,543.33
  5. Step 5: Solve for x
    x = 30,862,990,543.33/201,588.00
  6. Step 6: Final answer
    x = 153,099.35

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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.