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Finding the Fourth Proportional to 185,955.48, 256,676.57 and 109,468.58

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Solution

The fourth proportional to 185,955.48, 256,676.57 and 109,468.58 is: 151,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,955.48 : 256,676.57 = 109,468.58 : x
  2. Step 2: Convert to fraction form
    185,955.48/256,676.57 = 109,468.58/x
  3. Step 3: Cross multiply
    185,955.48x = 256,676.57 × 109,468.58
  4. Step 4: Simplify right side
    185,955.48x = 28,098,018,885.78
  5. Step 5: Solve for x
    x = 28,098,018,885.78/185,955.48
  6. Step 6: Final answer
    x = 151,100.78

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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.