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Finding the Fourth Proportional to 185,540.59, 256,046.10 and 100,657.63

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Solution

The fourth proportional to 185,540.59, 256,046.10 and 100,657.63 is: 138,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,540.59 : 256,046.10 = 100,657.63 : x
  2. Step 2: Convert to fraction form
    185,540.59/256,046.10 = 100,657.63/x
  3. Step 3: Cross multiply
    185,540.59x = 256,046.10 × 100,657.63
  4. Step 4: Simplify right side
    185,540.59x = 25,772,992,316.51
  5. Step 5: Solve for x
    x = 25,772,992,316.51/185,540.59
  6. Step 6: Final answer
    x = 138,907.57

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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.