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Finding the Fourth Proportional to 260,722.98, 359,802.81 and 170,136.90

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Solution

The fourth proportional to 260,722.98, 359,802.81 and 170,136.90 is: 234,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,722.98 : 359,802.81 = 170,136.90 : x
  2. Step 2: Convert to fraction form
    260,722.98/359,802.81 = 170,136.90/x
  3. Step 3: Cross multiply
    260,722.98x = 359,802.81 × 170,136.90
  4. Step 4: Simplify right side
    260,722.98x = 61,215,734,704.69
  5. Step 5: Solve for x
    x = 61,215,734,704.69/260,722.98
  6. Step 6: Final answer
    x = 234,792.25

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1.5x scale

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.