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Finding the Fourth Proportional to 250,976.07, 346,343.04 and 137,798.82

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Solution

The fourth proportional to 250,976.07, 346,343.04 and 137,798.82 is: 190,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,976.07 : 346,343.04 = 137,798.82 : x
  2. Step 2: Convert to fraction form
    250,976.07/346,343.04 = 137,798.82/x
  3. Step 3: Cross multiply
    250,976.07x = 346,343.04 × 137,798.82
  4. Step 4: Simplify right side
    250,976.07x = 47,725,662,227.21
  5. Step 5: Solve for x
    x = 47,725,662,227.21/250,976.07
  6. Step 6: Final answer
    x = 190,160.21

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1.5x scale

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.