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Finding the Fourth Proportional to 114,615.64, 171,960.83 and 57,660.16

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Solution

The fourth proportional to 114,615.64, 171,960.83 and 57,660.16 is: 86,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,615.64 : 171,960.83 = 57,660.16 : x
  2. Step 2: Convert to fraction form
    114,615.64/171,960.83 = 57,660.16/x
  3. Step 3: Cross multiply
    114,615.64x = 171,960.83 × 57,660.16
  4. Step 4: Simplify right side
    114,615.64x = 9,915,288,971.53
  5. Step 5: Solve for x
    x = 9,915,288,971.53/114,615.64
  6. Step 6: Final answer
    x = 86,509.04

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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.