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Finding the Fourth Proportional to 249,751.32, 344,657.94 and 136,573.92

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Solution

The fourth proportional to 249,751.32, 344,657.94 and 136,573.92 is: 188,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,751.32 : 344,657.94 = 136,573.92 : x
  2. Step 2: Convert to fraction form
    249,751.32/344,657.94 = 136,573.92/x
  3. Step 3: Cross multiply
    249,751.32x = 344,657.94 × 136,573.92
  4. Step 4: Simplify right side
    249,751.32x = 47,071,285,924.92
  5. Step 5: Solve for x
    x = 47,071,285,924.92/249,751.32
  6. Step 6: Final answer
    x = 188,472.62

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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.