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Finding the Fourth Proportional to 185,624.74, 256,162.27 and 100,741.80

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Solution

The fourth proportional to 185,624.74, 256,162.27 and 100,741.80 is: 139,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,624.74 : 256,162.27 = 100,741.80 : x
  2. Step 2: Convert to fraction form
    185,624.74/256,162.27 = 100,741.80/x
  3. Step 3: Cross multiply
    185,624.74x = 256,162.27 × 100,741.80
  4. Step 4: Simplify right side
    185,624.74x = 25,806,248,171.89
  5. Step 5: Solve for x
    x = 25,806,248,171.89/185,624.74
  6. Step 6: Final answer
    x = 139,023.75

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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.