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Finding the Fourth Proportional to 250,018.94, 345,026.14 and 136,841.69

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Solution

The fourth proportional to 250,018.94, 345,026.14 and 136,841.69 is: 188,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,018.94 : 345,026.14 = 136,841.69 : x
  2. Step 2: Convert to fraction form
    250,018.94/345,026.14 = 136,841.69/x
  3. Step 3: Cross multiply
    250,018.94x = 345,026.14 × 136,841.69
  4. Step 4: Simplify right side
    250,018.94x = 47,213,960,091.78
  5. Step 5: Solve for x
    x = 47,213,960,091.78/250,018.94
  6. Step 6: Final answer
    x = 188,841.53

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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.