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Finding the Fourth Proportional to 185,841.84, 256,461.96 and 100,958.96

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Solution

The fourth proportional to 185,841.84, 256,461.96 and 100,958.96 is: 139,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.84 : 256,461.96 = 100,958.96 : x
  2. Step 2: Convert to fraction form
    185,841.84/256,461.96 = 100,958.96/x
  3. Step 3: Cross multiply
    185,841.84x = 256,461.96 × 100,958.96
  4. Step 4: Simplify right side
    185,841.84x = 25,892,132,761.16
  5. Step 5: Solve for x
    x = 25,892,132,761.16/185,841.84
  6. Step 6: Final answer
    x = 139,323.48

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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.