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Finding the Fourth Proportional to 190,884.68, 286,200.66 and 91,060.28

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Solution

The fourth proportional to 190,884.68, 286,200.66 and 91,060.28 is: 136,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,884.68 : 286,200.66 = 91,060.28 : x
  2. Step 2: Convert to fraction form
    190,884.68/286,200.66 = 91,060.28/x
  3. Step 3: Cross multiply
    190,884.68x = 286,200.66 × 91,060.28
  4. Step 4: Simplify right side
    190,884.68x = 26,061,512,235.78
  5. Step 5: Solve for x
    x = 26,061,512,235.78/190,884.68
  6. Step 6: Final answer
    x = 136,530.14

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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.