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Finding the Fourth Proportional to 100,324.40, 150,486.86 and 25,444.58

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Solution

The fourth proportional to 100,324.40, 150,486.86 and 25,444.58 is: 38,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,324.40 : 150,486.86 = 25,444.58 : x
  2. Step 2: Convert to fraction form
    100,324.40/150,486.86 = 25,444.58/x
  3. Step 3: Cross multiply
    100,324.40x = 150,486.86 × 25,444.58
  4. Step 4: Simplify right side
    100,324.40x = 3,829,074,068.56
  5. Step 5: Solve for x
    x = 3,829,074,068.56/100,324.40
  6. Step 6: Final answer
    x = 38,166.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.