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Finding the Fourth Proportional to 249,908.58, 344,882.44 and 136,731.32

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Solution

The fourth proportional to 249,908.58, 344,882.44 and 136,731.32 is: 188,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,908.58 : 344,882.44 = 136,731.32 : x
  2. Step 2: Convert to fraction form
    249,908.58/344,882.44 = 136,731.32/x
  3. Step 3: Cross multiply
    249,908.58x = 344,882.44 × 136,731.32
  4. Step 4: Simplify right side
    249,908.58x = 47,156,231,266.02
  5. Step 5: Solve for x
    x = 47,156,231,266.02/249,908.58
  6. Step 6: Final answer
    x = 188,693.93

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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.