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Finding the Fourth Proportional to 172,774.26, 238,428.88 and 97,322.76

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Solution

The fourth proportional to 172,774.26, 238,428.88 and 97,322.76 is: 134,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,774.26 : 238,428.88 = 97,322.76 : x
  2. Step 2: Convert to fraction form
    172,774.26/238,428.88 = 97,322.76/x
  3. Step 3: Cross multiply
    172,774.26x = 238,428.88 × 97,322.76
  4. Step 4: Simplify right side
    172,774.26x = 23,204,556,665.31
  5. Step 5: Solve for x
    x = 23,204,556,665.31/172,774.26
  6. Step 6: Final answer
    x = 134,305.63

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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.