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Finding the Fourth Proportional to 625,173.55, 937,760.29 and 151,855.72

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Solution

The fourth proportional to 625,173.55, 937,760.29 and 151,855.72 is: 227,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,173.55 : 937,760.29 = 151,855.72 : x
  2. Step 2: Convert to fraction form
    625,173.55/937,760.29 = 151,855.72/x
  3. Step 3: Cross multiply
    625,173.55x = 937,760.29 × 151,855.72
  4. Step 4: Simplify right side
    625,173.55x = 142,404,264,025.36
  5. Step 5: Solve for x
    x = 142,404,264,025.36/625,173.55
  6. Step 6: Final answer
    x = 227,783.57

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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.