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Finding the Fourth Proportional to 181,354.10, 250,004.88 and 126,736.70

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Solution

The fourth proportional to 181,354.10, 250,004.88 and 126,736.70 is: 174,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,354.10 : 250,004.88 = 126,736.70 : x
  2. Step 2: Convert to fraction form
    181,354.10/250,004.88 = 126,736.70/x
  3. Step 3: Cross multiply
    181,354.10x = 250,004.88 × 126,736.70
  4. Step 4: Simplify right side
    181,354.10x = 31,684,791,908.23
  5. Step 5: Solve for x
    x = 31,684,791,908.23/181,354.10
  6. Step 6: Final answer
    x = 174,712.30

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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.