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Finding the Fourth Proportional to 237,090.54, 355,731.93 and 103,900.62

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Solution

The fourth proportional to 237,090.54, 355,731.93 and 103,900.62 is: 155,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,090.54 : 355,731.93 = 103,900.62 : x
  2. Step 2: Convert to fraction form
    237,090.54/355,731.93 = 103,900.62/x
  3. Step 3: Cross multiply
    237,090.54x = 355,731.93 × 103,900.62
  4. Step 4: Simplify right side
    237,090.54x = 36,960,768,080.80
  5. Step 5: Solve for x
    x = 36,960,768,080.80/237,090.54
  6. Step 6: Final answer
    x = 155,893.05

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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.