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Finding the Fourth Proportional to 245,963.32, 368,818.31 and 112,729.46

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Solution

The fourth proportional to 245,963.32, 368,818.31 and 112,729.46 is: 169,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,963.32 : 368,818.31 = 112,729.46 : x
  2. Step 2: Convert to fraction form
    245,963.32/368,818.31 = 112,729.46/x
  3. Step 3: Cross multiply
    245,963.32x = 368,818.31 × 112,729.46
  4. Step 4: Simplify right side
    245,963.32x = 41,576,687,362.14
  5. Step 5: Solve for x
    x = 41,576,687,362.14/245,963.32
  6. Step 6: Final answer
    x = 169,036.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.