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Finding the Fourth Proportional to 247,129.75, 370,621.95 and 104,973.89

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Solution

The fourth proportional to 247,129.75, 370,621.95 and 104,973.89 is: 157,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,129.75 : 370,621.95 = 104,973.89 : x
  2. Step 2: Convert to fraction form
    247,129.75/370,621.95 = 104,973.89/x
  3. Step 3: Cross multiply
    247,129.75x = 370,621.95 × 104,973.89
  4. Step 4: Simplify right side
    247,129.75x = 38,905,628,534.59
  5. Step 5: Solve for x
    x = 38,905,628,534.59/247,129.75
  6. Step 6: Final answer
    x = 157,429.97

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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.