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Finding the Fourth Proportional to 461,757.68, 692,636.54 and 124,772.48

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Solution

The fourth proportional to 461,757.68, 692,636.54 and 124,772.48 is: 187,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,757.68 : 692,636.54 = 124,772.48 : x
  2. Step 2: Convert to fraction form
    461,757.68/692,636.54 = 124,772.48/x
  3. Step 3: Cross multiply
    461,757.68x = 692,636.54 × 124,772.48
  4. Step 4: Simplify right side
    461,757.68x = 86,421,978,834.42
  5. Step 5: Solve for x
    x = 86,421,978,834.42/461,757.68
  6. Step 6: Final answer
    x = 187,158.73

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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.