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Finding the Fourth Proportional to 118,533.96, 163,571.10 and 67,558.68

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Solution

The fourth proportional to 118,533.96, 163,571.10 and 67,558.68 is: 93,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,533.96 : 163,571.10 = 67,558.68 : x
  2. Step 2: Convert to fraction form
    118,533.96/163,571.10 = 67,558.68/x
  3. Step 3: Cross multiply
    118,533.96x = 163,571.10 × 67,558.68
  4. Step 4: Simplify right side
    118,533.96x = 11,050,647,602.15
  5. Step 5: Solve for x
    x = 11,050,647,602.15/118,533.96
  6. Step 6: Final answer
    x = 93,227.69

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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.