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Finding the Fourth Proportional to 123,775.79, 185,627.30 and 52,697.61

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Solution

The fourth proportional to 123,775.79, 185,627.30 and 52,697.61 is: 79,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,775.79 : 185,627.30 = 52,697.61 : x
  2. Step 2: Convert to fraction form
    123,775.79/185,627.30 = 52,697.61/x
  3. Step 3: Cross multiply
    123,775.79x = 185,627.30 × 52,697.61
  4. Step 4: Simplify right side
    123,775.79x = 9,782,114,797.26
  5. Step 5: Solve for x
    x = 9,782,114,797.26/123,775.79
  6. Step 6: Final answer
    x = 79,030.93

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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.