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Finding the Fourth Proportional to 118,296.51, 163,247.02 and 67,308.13

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Solution

The fourth proportional to 118,296.51, 163,247.02 and 67,308.13 is: 92,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,296.51 : 163,247.02 = 67,308.13 : x
  2. Step 2: Convert to fraction form
    118,296.51/163,247.02 = 67,308.13/x
  3. Step 3: Cross multiply
    118,296.51x = 163,247.02 × 67,308.13
  4. Step 4: Simplify right side
    118,296.51x = 10,987,851,644.27
  5. Step 5: Solve for x
    x = 10,987,851,644.27/118,296.51
  6. Step 6: Final answer
    x = 92,883.99

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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.