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Finding the Fourth Proportional to 118,222.62, 163,153.47 and 67,924.86

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Solution

The fourth proportional to 118,222.62, 163,153.47 and 67,924.86 is: 93,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,222.62 : 163,153.47 = 67,924.86 : x
  2. Step 2: Convert to fraction form
    118,222.62/163,153.47 = 67,924.86/x
  3. Step 3: Cross multiply
    118,222.62x = 163,153.47 × 67,924.86
  4. Step 4: Simplify right side
    118,222.62x = 11,082,176,608.26
  5. Step 5: Solve for x
    x = 11,082,176,608.26/118,222.62
  6. Step 6: Final answer
    x = 93,739.90

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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.