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Finding the Fourth Proportional to 267,117.38, 368,620.63 and 146,256.47

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Solution

The fourth proportional to 267,117.38, 368,620.63 and 146,256.47 is: 201,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,117.38 : 368,620.63 = 146,256.47 : x
  2. Step 2: Convert to fraction form
    267,117.38/368,620.63 = 146,256.47/x
  3. Step 3: Cross multiply
    267,117.38x = 368,620.63 × 146,256.47
  4. Step 4: Simplify right side
    267,117.38x = 53,913,152,112.98
  5. Step 5: Solve for x
    x = 53,913,152,112.98/267,117.38
  6. Step 6: Final answer
    x = 201,833.19

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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.