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Finding the Fourth Proportional to 202,754.39, 279,776.63 and 112,098.11

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Solution

The fourth proportional to 202,754.39, 279,776.63 and 112,098.11 is: 154,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,754.39 : 279,776.63 = 112,098.11 : x
  2. Step 2: Convert to fraction form
    202,754.39/279,776.63 = 112,098.11/x
  3. Step 3: Cross multiply
    202,754.39x = 279,776.63 × 112,098.11
  4. Step 4: Simplify right side
    202,754.39x = 31,362,430,326.53
  5. Step 5: Solve for x
    x = 31,362,430,326.53/202,754.39
  6. Step 6: Final answer
    x = 154,681.88

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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.