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Finding the Fourth Proportional to 136,163.64, 187,799.53 and 93,168.75

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Solution

The fourth proportional to 136,163.64, 187,799.53 and 93,168.75 is: 128,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,163.64 : 187,799.53 = 93,168.75 : x
  2. Step 2: Convert to fraction form
    136,163.64/187,799.53 = 93,168.75/x
  3. Step 3: Cross multiply
    136,163.64x = 187,799.53 × 93,168.75
  4. Step 4: Simplify right side
    136,163.64x = 17,497,047,460.69
  5. Step 5: Solve for x
    x = 17,497,047,460.69/136,163.64
  6. Step 6: Final answer
    x = 128,500.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.