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Finding the Fourth Proportional to 100,615.70, 150,922.00 and 25,735.19

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Solution

The fourth proportional to 100,615.70, 150,922.00 and 25,735.19 is: 38,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,615.70 : 150,922.00 = 25,735.19 : x
  2. Step 2: Convert to fraction form
    100,615.70/150,922.00 = 25,735.19/x
  3. Step 3: Cross multiply
    100,615.70x = 150,922.00 × 25,735.19
  4. Step 4: Simplify right side
    100,615.70x = 3,884,005,461.89
  5. Step 5: Solve for x
    x = 3,884,005,461.89/100,615.70
  6. Step 6: Final answer
    x = 38,602.38

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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.