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Finding the Fourth Proportional to 185,900.76, 256,621.62 and 125,553.23

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Solution

The fourth proportional to 185,900.76, 256,621.62 and 125,553.23 is: 173,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,900.76 : 256,621.62 = 125,553.23 : x
  2. Step 2: Convert to fraction form
    185,900.76/256,621.62 = 125,553.23/x
  3. Step 3: Cross multiply
    185,900.76x = 256,621.62 × 125,553.23
  4. Step 4: Simplify right side
    185,900.76x = 32,219,671,995.72
  5. Step 5: Solve for x
    x = 32,219,671,995.72/185,900.76
  6. Step 6: Final answer
    x = 173,316.52

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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.