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Finding the Fourth Proportional to 174,642.22, 262,011.48 and 69,535

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Solution

The fourth proportional to 174,642.22, 262,011.48 and 69,535 is: 104,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,642.22 : 262,011.48 = 69,535 : x
  2. Step 2: Convert to fraction form
    174,642.22/262,011.48 = 69,535/x
  3. Step 3: Cross multiply
    174,642.22x = 262,011.48 × 69,535
  4. Step 4: Simplify right side
    174,642.22x = 18,218,968,261.80
  5. Step 5: Solve for x
    x = 18,218,968,261.80/174,642.22
  6. Step 6: Final answer
    x = 104,321.67

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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.