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Finding the Fourth Proportional to 202,725.74, 279,753.27 and 112,075.94

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Solution

The fourth proportional to 202,725.74, 279,753.27 and 112,075.94 is: 154,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,725.74 : 279,753.27 = 112,075.94 : x
  2. Step 2: Convert to fraction form
    202,725.74/279,753.27 = 112,075.94/x
  3. Step 3: Cross multiply
    202,725.74x = 279,753.27 × 112,075.94
  4. Step 4: Simplify right side
    202,725.74x = 31,353,610,703.32
  5. Step 5: Solve for x
    x = 31,353,610,703.32/202,725.74
  6. Step 6: Final answer
    x = 154,660.24

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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.