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Finding the Fourth Proportional to 114,444.30, 171,806.85 and 72,324.30

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Solution

The fourth proportional to 114,444.30, 171,806.85 and 72,324.30 is: 108,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,444.30 : 171,806.85 = 72,324.30 : x
  2. Step 2: Convert to fraction form
    114,444.30/171,806.85 = 72,324.30/x
  3. Step 3: Cross multiply
    114,444.30x = 171,806.85 × 72,324.30
  4. Step 4: Simplify right side
    114,444.30x = 12,425,810,161.46
  5. Step 5: Solve for x
    x = 12,425,810,161.46/114,444.30
  6. Step 6: Final answer
    x = 108,575.18

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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.