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Finding the Fourth Proportional to 118,117.01, 163,015.31 and 67,137.41

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Solution

The fourth proportional to 118,117.01, 163,015.31 and 67,137.41 is: 92,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.01 : 163,015.31 = 67,137.41 : x
  2. Step 2: Convert to fraction form
    118,117.01/163,015.31 = 67,137.41/x
  3. Step 3: Cross multiply
    118,117.01x = 163,015.31 × 67,137.41
  4. Step 4: Simplify right side
    118,117.01x = 10,944,425,056.51
  5. Step 5: Solve for x
    x = 10,944,425,056.51/118,117.01
  6. Step 6: Final answer
    x = 92,657.48

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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.