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Finding the Fourth Proportional to 242,331.63, 334,410.17 and 134,899.31

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Solution

The fourth proportional to 242,331.63, 334,410.17 and 134,899.31 is: 186,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,331.63 : 334,410.17 = 134,899.31 : x
  2. Step 2: Convert to fraction form
    242,331.63/334,410.17 = 134,899.31/x
  3. Step 3: Cross multiply
    242,331.63x = 334,410.17 × 134,899.31
  4. Step 4: Simplify right side
    242,331.63x = 45,111,698,843.44
  5. Step 5: Solve for x
    x = 45,111,698,843.44/242,331.63
  6. Step 6: Final answer
    x = 186,156.87

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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.