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Finding the Fourth Proportional to 247,212.64, 370,953.52 and 105,035.68

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Solution

The fourth proportional to 247,212.64, 370,953.52 and 105,035.68 is: 157,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,212.64 : 370,953.52 = 105,035.68 : x
  2. Step 2: Convert to fraction form
    247,212.64/370,953.52 = 105,035.68/x
  3. Step 3: Cross multiply
    247,212.64x = 370,953.52 × 105,035.68
  4. Step 4: Simplify right side
    247,212.64x = 38,963,355,221.59
  5. Step 5: Solve for x
    x = 38,963,355,221.59/247,212.64
  6. Step 6: Final answer
    x = 157,610.69

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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.