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Finding the Fourth Proportional to 118,051.44, 162,908.92 and 64,336.92

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Solution

The fourth proportional to 118,051.44, 162,908.92 and 64,336.92 is: 88,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051.44 : 162,908.92 = 64,336.92 : x
  2. Step 2: Convert to fraction form
    118,051.44/162,908.92 = 64,336.92/x
  3. Step 3: Cross multiply
    118,051.44x = 162,908.92 × 64,336.92
  4. Step 4: Simplify right side
    118,051.44x = 10,481,058,153.33
  5. Step 5: Solve for x
    x = 10,481,058,153.33/118,051.44
  6. Step 6: Final answer
    x = 88,783.82

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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.