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Finding the Fourth Proportional to 110,556, 152,571.48 and 60,255

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Solution

The fourth proportional to 110,556, 152,571.48 and 60,255 is: 83,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,556 : 152,571.48 = 60,255 : x
  2. Step 2: Convert to fraction form
    110,556/152,571.48 = 60,255/x
  3. Step 3: Cross multiply
    110,556x = 152,571.48 × 60,255
  4. Step 4: Simplify right side
    110,556x = 9,193,194,527.40
  5. Step 5: Solve for x
    x = 9,193,194,527.40/110,556
  6. Step 6: Final answer
    x = 83,154.19

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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.