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Finding the Fourth Proportional to 118,079.54, 162,951.48 and 64,364.57

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Solution

The fourth proportional to 118,079.54, 162,951.48 and 64,364.57 is: 88,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,079.54 : 162,951.48 = 64,364.57 : x
  2. Step 2: Convert to fraction form
    118,079.54/162,951.48 = 64,364.57/x
  3. Step 3: Cross multiply
    118,079.54x = 162,951.48 × 64,364.57
  4. Step 4: Simplify right side
    118,079.54x = 10,488,302,653.98
  5. Step 5: Solve for x
    x = 10,488,302,653.98/118,079.54
  6. Step 6: Final answer
    x = 88,824.05

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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.