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Finding the Fourth Proportional to 118,783.23, 163,923.50 and 67,794.93

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Solution

The fourth proportional to 118,783.23, 163,923.50 and 67,794.93 is: 93,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,783.23 : 163,923.50 = 67,794.93 : x
  2. Step 2: Convert to fraction form
    118,783.23/163,923.50 = 67,794.93/x
  3. Step 3: Cross multiply
    118,783.23x = 163,923.50 × 67,794.93
  4. Step 4: Simplify right side
    118,783.23x = 11,113,182,207.86
  5. Step 5: Solve for x
    x = 11,113,182,207.86/118,783.23
  6. Step 6: Final answer
    x = 93,558.51

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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.