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Finding the Fourth Proportional to 202,352.54, 279,248.77 and 111,708.56

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Solution

The fourth proportional to 202,352.54, 279,248.77 and 111,708.56 is: 154,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,352.54 : 279,248.77 = 111,708.56 : x
  2. Step 2: Convert to fraction form
    202,352.54/279,248.77 = 111,708.56/x
  3. Step 3: Cross multiply
    202,352.54x = 279,248.77 × 111,708.56
  4. Step 4: Simplify right side
    202,352.54x = 31,194,476,302.96
  5. Step 5: Solve for x
    x = 31,194,476,302.96/202,352.54
  6. Step 6: Final answer
    x = 154,159.05

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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.