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Finding the Fourth Proportional to 292,131.64, 403,160.10 and 164,760.76

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Solution

The fourth proportional to 292,131.64, 403,160.10 and 164,760.76 is: 227,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,131.64 : 403,160.10 = 164,760.76 : x
  2. Step 2: Convert to fraction form
    292,131.64/403,160.10 = 164,760.76/x
  3. Step 3: Cross multiply
    292,131.64x = 403,160.10 × 164,760.76
  4. Step 4: Simplify right side
    292,131.64x = 66,424,964,477.68
  5. Step 5: Solve for x
    x = 66,424,964,477.68/292,131.64
  6. Step 6: Final answer
    x = 227,380.25

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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.