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Finding the Fourth Proportional to 117,612.09, 162,305.46 and 63,897.09

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Solution

The fourth proportional to 117,612.09, 162,305.46 and 63,897.09 is: 88,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612.09 : 162,305.46 = 63,897.09 : x
  2. Step 2: Convert to fraction form
    117,612.09/162,305.46 = 63,897.09/x
  3. Step 3: Cross multiply
    117,612.09x = 162,305.46 × 63,897.09
  4. Step 4: Simplify right side
    117,612.09x = 10,370,846,585.11
  5. Step 5: Solve for x
    x = 10,370,846,585.11/117,612.09
  6. Step 6: Final answer
    x = 88,178.41

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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.