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Finding the Fourth Proportional to 118,324.43, 163,308.76 and 69,924.30

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Solution

The fourth proportional to 118,324.43, 163,308.76 and 69,924.30 is: 96,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,324.43 : 163,308.76 = 69,924.30 : x
  2. Step 2: Convert to fraction form
    118,324.43/163,308.76 = 69,924.30/x
  3. Step 3: Cross multiply
    118,324.43x = 163,308.76 × 69,924.30
  4. Step 4: Simplify right side
    118,324.43x = 11,419,249,939.65
  5. Step 5: Solve for x
    x = 11,419,249,939.65/118,324.43
  6. Step 6: Final answer
    x = 96,507.97

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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.