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Finding the Fourth Proportional to 151,969.10, 227,953.65 and 67,729.10

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Solution

The fourth proportional to 151,969.10, 227,953.65 and 67,729.10 is: 101,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,969.10 : 227,953.65 = 67,729.10 : x
  2. Step 2: Convert to fraction form
    151,969.10/227,953.65 = 67,729.10/x
  3. Step 3: Cross multiply
    151,969.10x = 227,953.65 × 67,729.10
  4. Step 4: Simplify right side
    151,969.10x = 15,439,095,556.22
  5. Step 5: Solve for x
    x = 15,439,095,556.22/151,969.10
  6. Step 6: Final answer
    x = 101,593.65

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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.