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Finding the Fourth Proportional to 249,730.26, 344,628.90 and 136,552.92

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Solution

The fourth proportional to 249,730.26, 344,628.90 and 136,552.92 is: 188,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,730.26 : 344,628.90 = 136,552.92 : x
  2. Step 2: Convert to fraction form
    249,730.26/344,628.90 = 136,552.92/x
  3. Step 3: Cross multiply
    249,730.26x = 344,628.90 × 136,552.92
  4. Step 4: Simplify right side
    249,730.26x = 47,060,082,611.39
  5. Step 5: Solve for x
    x = 47,060,082,611.39/249,730.26
  6. Step 6: Final answer
    x = 188,443.65

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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.