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Finding the Fourth Proportional to 174,243.78, 240,540.90 and 116,862.16

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Solution

The fourth proportional to 174,243.78, 240,540.90 and 116,862.16 is: 161,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,243.78 : 240,540.90 = 116,862.16 : x
  2. Step 2: Convert to fraction form
    174,243.78/240,540.90 = 116,862.16/x
  3. Step 3: Cross multiply
    174,243.78x = 240,540.90 × 116,862.16
  4. Step 4: Simplify right side
    174,243.78x = 28,110,129,142.34
  5. Step 5: Solve for x
    x = 28,110,129,142.34/174,243.78
  6. Step 6: Final answer
    x = 161,326.44

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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.