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Finding the Fourth Proportional to 202,341.08, 279,230.74 and 111,697.11

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Solution

The fourth proportional to 202,341.08, 279,230.74 and 111,697.11 is: 154,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,341.08 : 279,230.74 = 111,697.11 : x
  2. Step 2: Convert to fraction form
    202,341.08/279,230.74 = 111,697.11/x
  3. Step 3: Cross multiply
    202,341.08x = 279,230.74 × 111,697.11
  4. Step 4: Simplify right side
    202,341.08x = 31,189,265,930.73
  5. Step 5: Solve for x
    x = 31,189,265,930.73/202,341.08
  6. Step 6: Final answer
    x = 154,142.04

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1.5x scale

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.