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Finding the Fourth Proportional to 247,114.95, 370,407.09 and 104,840.14

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Solution

The fourth proportional to 247,114.95, 370,407.09 and 104,840.14 is: 157,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,114.95 : 370,407.09 = 104,840.14 : x
  2. Step 2: Convert to fraction form
    247,114.95/370,407.09 = 104,840.14/x
  3. Step 3: Cross multiply
    247,114.95x = 370,407.09 × 104,840.14
  4. Step 4: Simplify right side
    247,114.95x = 38,833,531,172.59
  5. Step 5: Solve for x
    x = 38,833,531,172.59/247,114.95
  6. Step 6: Final answer
    x = 157,147.64

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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.