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Finding the Fourth Proportional to 201,671.96, 278,302.92 and 111,024.46

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Solution

The fourth proportional to 201,671.96, 278,302.92 and 111,024.46 is: 153,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,671.96 : 278,302.92 = 111,024.46 : x
  2. Step 2: Convert to fraction form
    201,671.96/278,302.92 = 111,024.46/x
  3. Step 3: Cross multiply
    201,671.96x = 278,302.92 × 111,024.46
  4. Step 4: Simplify right side
    201,671.96x = 30,898,431,409.42
  5. Step 5: Solve for x
    x = 30,898,431,409.42/201,671.96
  6. Step 6: Final answer
    x = 153,211.34

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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.