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Finding the Fourth Proportional to 235,788.48, 353,208.96 and 117,100.80

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Solution

The fourth proportional to 235,788.48, 353,208.96 and 117,100.80 is: 175,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,788.48 : 353,208.96 = 117,100.80 : x
  2. Step 2: Convert to fraction form
    235,788.48/353,208.96 = 117,100.80/x
  3. Step 3: Cross multiply
    235,788.48x = 353,208.96 × 117,100.80
  4. Step 4: Simplify right side
    235,788.48x = 41,361,051,783.17
  5. Step 5: Solve for x
    x = 41,361,051,783.17/235,788.48
  6. Step 6: Final answer
    x = 175,415.91

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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.