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Finding the Fourth Proportional to 249,909.58, 344,883.82 and 136,732.32

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Solution

The fourth proportional to 249,909.58, 344,883.82 and 136,732.32 is: 188,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,909.58 : 344,883.82 = 136,732.32 : x
  2. Step 2: Convert to fraction form
    249,909.58/344,883.82 = 136,732.32/x
  3. Step 3: Cross multiply
    249,909.58x = 344,883.82 × 136,732.32
  4. Step 4: Simplify right side
    249,909.58x = 47,156,764,839.06
  5. Step 5: Solve for x
    x = 47,156,764,839.06/249,909.58
  6. Step 6: Final answer
    x = 188,695.31

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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.