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Finding the Fourth Proportional to 254,737.17, 351,529.91 and 145,837.87

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Solution

The fourth proportional to 254,737.17, 351,529.91 and 145,837.87 is: 201,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,737.17 : 351,529.91 = 145,837.87 : x
  2. Step 2: Convert to fraction form
    254,737.17/351,529.91 = 145,837.87/x
  3. Step 3: Cross multiply
    254,737.17x = 351,529.91 × 145,837.87
  4. Step 4: Simplify right side
    254,737.17x = 51,266,372,254.57
  5. Step 5: Solve for x
    x = 51,266,372,254.57/254,737.17
  6. Step 6: Final answer
    x = 201,252.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.