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Finding the Fourth Proportional to 131,156.48, 196,686.48 and 46,893.88

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Solution

The fourth proportional to 131,156.48, 196,686.48 and 46,893.88 is: 70,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,156.48 : 196,686.48 = 46,893.88 : x
  2. Step 2: Convert to fraction form
    131,156.48/196,686.48 = 46,893.88/x
  3. Step 3: Cross multiply
    131,156.48x = 196,686.48 × 46,893.88
  4. Step 4: Simplify right side
    131,156.48x = 9,223,392,190.74
  5. Step 5: Solve for x
    x = 9,223,392,190.74/131,156.48
  6. Step 6: Final answer
    x = 70,323.57

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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.