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Finding the Fourth Proportional to 118,235.49, 163,168.44 and 64,523.97

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Solution

The fourth proportional to 118,235.49, 163,168.44 and 64,523.97 is: 89,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,235.49 : 163,168.44 = 64,523.97 : x
  2. Step 2: Convert to fraction form
    118,235.49/163,168.44 = 64,523.97/x
  3. Step 3: Cross multiply
    118,235.49x = 163,168.44 × 64,523.97
  4. Step 4: Simplify right side
    118,235.49x = 10,528,275,935.43
  5. Step 5: Solve for x
    x = 10,528,275,935.43/118,235.49
  6. Step 6: Final answer
    x = 89,044.97

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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.