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Finding the Fourth Proportional to 131,016.66, 196,566.52 and 46,774.98

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Solution

The fourth proportional to 131,016.66, 196,566.52 and 46,774.98 is: 70,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,016.66 : 196,566.52 = 46,774.98 : x
  2. Step 2: Convert to fraction form
    131,016.66/196,566.52 = 46,774.98/x
  3. Step 3: Cross multiply
    131,016.66x = 196,566.52 × 46,774.98
  4. Step 4: Simplify right side
    131,016.66x = 9,194,395,041.67
  5. Step 5: Solve for x
    x = 9,194,395,041.67/131,016.66
  6. Step 6: Final answer
    x = 70,177.30

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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.