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Finding the Fourth Proportional to 185,536.56, 256,040.56 and 100,653.63

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Solution

The fourth proportional to 185,536.56, 256,040.56 and 100,653.63 is: 138,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,536.56 : 256,040.56 = 100,653.63 : x
  2. Step 2: Convert to fraction form
    185,536.56/256,040.56 = 100,653.63/x
  3. Step 3: Cross multiply
    185,536.56x = 256,040.56 × 100,653.63
  4. Step 4: Simplify right side
    185,536.56x = 25,771,411,791.23
  5. Step 5: Solve for x
    x = 25,771,411,791.23/185,536.56
  6. Step 6: Final answer
    x = 138,902.07

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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.