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Finding the Fourth Proportional to 75,886.54, 104,752.98 and 67,914.92

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Solution

The fourth proportional to 75,886.54, 104,752.98 and 67,914.92 is: 93,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,886.54 : 104,752.98 = 67,914.92 : x
  2. Step 2: Convert to fraction form
    75,886.54/104,752.98 = 67,914.92/x
  3. Step 3: Cross multiply
    75,886.54x = 104,752.98 × 67,914.92
  4. Step 4: Simplify right side
    75,886.54x = 7,114,290,518.34
  5. Step 5: Solve for x
    x = 7,114,290,518.34/75,886.54
  6. Step 6: Final answer
    x = 93,749.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.