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Finding the Fourth Proportional to 190,777.68, 286,168.68 and 57,659.04

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Solution

The fourth proportional to 190,777.68, 286,168.68 and 57,659.04 is: 86,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,777.68 : 286,168.68 = 57,659.04 : x
  2. Step 2: Convert to fraction form
    190,777.68/286,168.68 = 57,659.04/x
  3. Step 3: Cross multiply
    190,777.68x = 286,168.68 × 57,659.04
  4. Step 4: Simplify right side
    190,777.68x = 16,500,211,366.87
  5. Step 5: Solve for x
    x = 16,500,211,366.87/190,777.68
  6. Step 6: Final answer
    x = 86,489.21

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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.