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Finding the Fourth Proportional to 202,648.25, 279,669.06 and 112,002.27

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Solution

The fourth proportional to 202,648.25, 279,669.06 and 112,002.27 is: 154,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,648.25 : 279,669.06 = 112,002.27 : x
  2. Step 2: Convert to fraction form
    202,648.25/279,669.06 = 112,002.27/x
  3. Step 3: Cross multiply
    202,648.25x = 279,669.06 × 112,002.27
  4. Step 4: Simplify right side
    202,648.25x = 31,323,569,568.77
  5. Step 5: Solve for x
    x = 31,323,569,568.77/202,648.25
  6. Step 6: Final answer
    x = 154,571.13

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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.