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Finding the Fourth Proportional to 181,701.28, 250,730.40 and 133,980.48

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Solution

The fourth proportional to 181,701.28, 250,730.40 and 133,980.48 is: 184,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,701.28 : 250,730.40 = 133,980.48 : x
  2. Step 2: Convert to fraction form
    181,701.28/250,730.40 = 133,980.48/x
  3. Step 3: Cross multiply
    181,701.28x = 250,730.40 × 133,980.48
  4. Step 4: Simplify right side
    181,701.28x = 33,592,979,342.59
  5. Step 5: Solve for x
    x = 33,592,979,342.59/181,701.28
  6. Step 6: Final answer
    x = 184,880.26

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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.