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Finding the Fourth Proportional to 163,980.78, 226,294.74 and 92,354.10

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Solution

The fourth proportional to 163,980.78, 226,294.74 and 92,354.10 is: 127,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,980.78 : 226,294.74 = 92,354.10 : x
  2. Step 2: Convert to fraction form
    163,980.78/226,294.74 = 92,354.10/x
  3. Step 3: Cross multiply
    163,980.78x = 226,294.74 × 92,354.10
  4. Step 4: Simplify right side
    163,980.78x = 20,899,247,047.43
  5. Step 5: Solve for x
    x = 20,899,247,047.43/163,980.78
  6. Step 6: Final answer
    x = 127,449.37

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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.