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Finding the Fourth Proportional to 202,354.76, 279,235.23 and 111,696.17

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Solution

The fourth proportional to 202,354.76, 279,235.23 and 111,696.17 is: 154,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,354.76 : 279,235.23 = 111,696.17 : x
  2. Step 2: Convert to fraction form
    202,354.76/279,235.23 = 111,696.17/x
  3. Step 3: Cross multiply
    202,354.76x = 279,235.23 × 111,696.17
  4. Step 4: Simplify right side
    202,354.76x = 31,189,505,720.07
  5. Step 5: Solve for x
    x = 31,189,505,720.07/202,354.76
  6. Step 6: Final answer
    x = 154,132.80

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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.