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Finding the Fourth Proportional to 168,101.16, 231,980.68 and 92,649.66

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Solution

The fourth proportional to 168,101.16, 231,980.68 and 92,649.66 is: 127,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,101.16 : 231,980.68 = 92,649.66 : x
  2. Step 2: Convert to fraction form
    168,101.16/231,980.68 = 92,649.66/x
  3. Step 3: Cross multiply
    168,101.16x = 231,980.68 × 92,649.66
  4. Step 4: Simplify right side
    168,101.16x = 21,492,931,128.57
  5. Step 5: Solve for x
    x = 21,492,931,128.57/168,101.16
  6. Step 6: Final answer
    x = 127,857.13

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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.