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Finding the Fourth Proportional to 185,909.70, 256,560.27 and 101,026.77

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Solution

The fourth proportional to 185,909.70, 256,560.27 and 101,026.77 is: 139,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.70 : 256,560.27 = 101,026.77 : x
  2. Step 2: Convert to fraction form
    185,909.70/256,560.27 = 101,026.77/x
  3. Step 3: Cross multiply
    185,909.70x = 256,560.27 × 101,026.77
  4. Step 4: Simplify right side
    185,909.70x = 25,919,455,388.43
  5. Step 5: Solve for x
    x = 25,919,455,388.43/185,909.70
  6. Step 6: Final answer
    x = 139,419.60

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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.