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Finding the Fourth Proportional to 172,651.68, 238,296 and 116,030.22

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Solution

The fourth proportional to 172,651.68, 238,296 and 116,030.22 is: 160,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,651.68 : 238,296 = 116,030.22 : x
  2. Step 2: Convert to fraction form
    172,651.68/238,296 = 116,030.22/x
  3. Step 3: Cross multiply
    172,651.68x = 238,296 × 116,030.22
  4. Step 4: Simplify right side
    172,651.68x = 27,649,537,305.12
  5. Step 5: Solve for x
    x = 27,649,537,305.12/172,651.68
  6. Step 6: Final answer
    x = 160,146.36

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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.