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Finding the Fourth Proportional to 110,556.54, 152,568.54 and 62,812.50

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Solution

The fourth proportional to 110,556.54, 152,568.54 and 62,812.50 is: 86,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,556.54 : 152,568.54 = 62,812.50 : x
  2. Step 2: Convert to fraction form
    110,556.54/152,568.54 = 62,812.50/x
  3. Step 3: Cross multiply
    110,556.54x = 152,568.54 × 62,812.50
  4. Step 4: Simplify right side
    110,556.54x = 9,583,211,418.75
  5. Step 5: Solve for x
    x = 9,583,211,418.75/110,556.54
  6. Step 6: Final answer
    x = 86,681.54

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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.