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Finding the Fourth Proportional to 357,158.68, 535,738.02 and 169,601.56

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Solution

The fourth proportional to 357,158.68, 535,738.02 and 169,601.56 is: 254,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,158.68 : 535,738.02 = 169,601.56 : x
  2. Step 2: Convert to fraction form
    357,158.68/535,738.02 = 169,601.56/x
  3. Step 3: Cross multiply
    357,158.68x = 535,738.02 × 169,601.56
  4. Step 4: Simplify right side
    357,158.68x = 90,862,003,943.31
  5. Step 5: Solve for x
    x = 90,862,003,943.31/357,158.68
  6. Step 6: Final answer
    x = 254,402.34

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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.