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Finding the Fourth Proportional to 114,324.80, 171,487.20 and 72,334.40

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Solution

The fourth proportional to 114,324.80, 171,487.20 and 72,334.40 is: 108,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,324.80 : 171,487.20 = 72,334.40 : x
  2. Step 2: Convert to fraction form
    114,324.80/171,487.20 = 72,334.40/x
  3. Step 3: Cross multiply
    114,324.80x = 171,487.20 × 72,334.40
  4. Step 4: Simplify right side
    114,324.80x = 12,404,423,719.68
  5. Step 5: Solve for x
    x = 12,404,423,719.68/114,324.80
  6. Step 6: Final answer
    x = 108,501.60

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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.