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Finding the Fourth Proportional to 174,502.53, 261,739.20 and 69,293.25

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Solution

The fourth proportional to 174,502.53, 261,739.20 and 69,293.25 is: 103,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,502.53 : 261,739.20 = 69,293.25 : x
  2. Step 2: Convert to fraction form
    174,502.53/261,739.20 = 69,293.25/x
  3. Step 3: Cross multiply
    174,502.53x = 261,739.20 × 69,293.25
  4. Step 4: Simplify right side
    174,502.53x = 18,136,759,820.40
  5. Step 5: Solve for x
    x = 18,136,759,820.40/174,502.53
  6. Step 6: Final answer
    x = 103,934.08

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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.