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Finding the Fourth Proportional to 388,094.00, 582,100.05 and 103,813.23

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Solution

The fourth proportional to 388,094.00, 582,100.05 and 103,813.23 is: 155,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,094.00 : 582,100.05 = 103,813.23 : x
  2. Step 2: Convert to fraction form
    388,094.00/582,100.05 = 103,813.23/x
  3. Step 3: Cross multiply
    388,094.00x = 582,100.05 × 103,813.23
  4. Step 4: Simplify right side
    388,094.00x = 60,429,686,373.66
  5. Step 5: Solve for x
    x = 60,429,686,373.66/388,094.00
  6. Step 6: Final answer
    x = 155,708.89

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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.