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Finding the Fourth Proportional to 98,407.04, 147,539.04 and 39,224.96

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Solution

The fourth proportional to 98,407.04, 147,539.04 and 39,224.96 is: 58,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,407.04 : 147,539.04 = 39,224.96 : x
  2. Step 2: Convert to fraction form
    98,407.04/147,539.04 = 39,224.96/x
  3. Step 3: Cross multiply
    98,407.04x = 147,539.04 × 39,224.96
  4. Step 4: Simplify right side
    98,407.04x = 5,787,212,942.44
  5. Step 5: Solve for x
    x = 5,787,212,942.44/98,407.04
  6. Step 6: Final answer
    x = 58,808.93

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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.