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Finding the Fourth Proportional to 98,852.01, 148,299.80 and 28,736.79

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Solution

The fourth proportional to 98,852.01, 148,299.80 and 28,736.79 is: 43,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,852.01 : 148,299.80 = 28,736.79 : x
  2. Step 2: Convert to fraction form
    98,852.01/148,299.80 = 28,736.79/x
  3. Step 3: Cross multiply
    98,852.01x = 148,299.80 × 28,736.79
  4. Step 4: Simplify right side
    98,852.01x = 4,261,660,065.96
  5. Step 5: Solve for x
    x = 4,261,660,065.96/98,852.01
  6. Step 6: Final answer
    x = 43,111.52

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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.