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Finding the Fourth Proportional to 202,552.79, 279,465.99 and 116,507.30

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Solution

The fourth proportional to 202,552.79, 279,465.99 and 116,507.30 is: 160,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,552.79 : 279,465.99 = 116,507.30 : x
  2. Step 2: Convert to fraction form
    202,552.79/279,465.99 = 116,507.30/x
  3. Step 3: Cross multiply
    202,552.79x = 279,465.99 × 116,507.30
  4. Step 4: Simplify right side
    202,552.79x = 32,559,826,539.40
  5. Step 5: Solve for x
    x = 32,559,826,539.40/202,552.79
  6. Step 6: Final answer
    x = 160,747.37

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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.