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Finding the Fourth Proportional to 354,010.08, 531,118.88 and 104,698.56

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Solution

The fourth proportional to 354,010.08, 531,118.88 and 104,698.56 is: 157,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,010.08 : 531,118.88 = 104,698.56 : x
  2. Step 2: Convert to fraction form
    354,010.08/531,118.88 = 104,698.56/x
  3. Step 3: Cross multiply
    354,010.08x = 531,118.88 × 104,698.56
  4. Step 4: Simplify right side
    354,010.08x = 55,607,381,924.81
  5. Step 5: Solve for x
    x = 55,607,381,924.81/354,010.08
  6. Step 6: Final answer
    x = 157,078.53

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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.