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Finding the Fourth Proportional to 181,281.45, 250,208.42 and 100,736.67

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Solution

The fourth proportional to 181,281.45, 250,208.42 and 100,736.67 is: 139,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,281.45 : 250,208.42 = 100,736.67 : x
  2. Step 2: Convert to fraction form
    181,281.45/250,208.42 = 100,736.67/x
  3. Step 3: Cross multiply
    181,281.45x = 250,208.42 × 100,736.67
  4. Step 4: Simplify right side
    181,281.45x = 25,205,162,533.08
  5. Step 5: Solve for x
    x = 25,205,162,533.08/181,281.45
  6. Step 6: Final answer
    x = 139,038.84

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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.