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Finding the Fourth Proportional to 181,858.50, 250,969.59 and 101,289.42

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Solution

The fourth proportional to 181,858.50, 250,969.59 and 101,289.42 is: 139,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,858.50 : 250,969.59 = 101,289.42 : x
  2. Step 2: Convert to fraction form
    181,858.50/250,969.59 = 101,289.42/x
  3. Step 3: Cross multiply
    181,858.50x = 250,969.59 × 101,289.42
  4. Step 4: Simplify right side
    181,858.50x = 25,420,564,208.74
  5. Step 5: Solve for x
    x = 25,420,564,208.74/181,858.50
  6. Step 6: Final answer
    x = 139,782.11

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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.