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Finding the Fourth Proportional to 131,148.97, 196,702.48 and 46,893.43

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Solution

The fourth proportional to 131,148.97, 196,702.48 and 46,893.43 is: 70,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148.97 : 196,702.48 = 46,893.43 : x
  2. Step 2: Convert to fraction form
    131,148.97/196,702.48 = 46,893.43/x
  3. Step 3: Cross multiply
    131,148.97x = 196,702.48 × 46,893.43
  4. Step 4: Simplify right side
    131,148.97x = 9,224,054,017.43
  5. Step 5: Solve for x
    x = 9,224,054,017.43/131,148.97
  6. Step 6: Final answer
    x = 70,332.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.