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Finding the Fourth Proportional to 292,183.95, 403,099.29 and 169,655.40

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Solution

The fourth proportional to 292,183.95, 403,099.29 and 169,655.40 is: 234,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,183.95 : 403,099.29 = 169,655.40 : x
  2. Step 2: Convert to fraction form
    292,183.95/403,099.29 = 169,655.40/x
  3. Step 3: Cross multiply
    292,183.95x = 403,099.29 × 169,655.40
  4. Step 4: Simplify right side
    292,183.95x = 68,387,971,284.67
  5. Step 5: Solve for x
    x = 68,387,971,284.67/292,183.95
  6. Step 6: Final answer
    x = 234,057.93

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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.