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Finding the Fourth Proportional to 170,352.74, 255,567.99 and 52,040.90

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Solution

The fourth proportional to 170,352.74, 255,567.99 and 52,040.90 is: 78,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,352.74 : 255,567.99 = 52,040.90 : x
  2. Step 2: Convert to fraction form
    170,352.74/255,567.99 = 52,040.90/x
  3. Step 3: Cross multiply
    170,352.74x = 255,567.99 × 52,040.90
  4. Step 4: Simplify right side
    170,352.74x = 13,299,988,210.79
  5. Step 5: Solve for x
    x = 13,299,988,210.79/170,352.74
  6. Step 6: Final answer
    x = 78,073.23

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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.