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Finding the Fourth Proportional to 235,171.37, 352,800.81 and 77,410.91

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Solution

The fourth proportional to 235,171.37, 352,800.81 and 77,410.91 is: 116,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,171.37 : 352,800.81 = 77,410.91 : x
  2. Step 2: Convert to fraction form
    235,171.37/352,800.81 = 77,410.91/x
  3. Step 3: Cross multiply
    235,171.37x = 352,800.81 × 77,410.91
  4. Step 4: Simplify right side
    235,171.37x = 27,310,632,632.84
  5. Step 5: Solve for x
    x = 27,310,632,632.84/235,171.37
  6. Step 6: Final answer
    x = 116,130.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.