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Finding the Fourth Proportional to 170,683.07, 235,432.99 and 103,615.07

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Solution

The fourth proportional to 170,683.07, 235,432.99 and 103,615.07 is: 142,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,683.07 : 235,432.99 = 103,615.07 : x
  2. Step 2: Convert to fraction form
    170,683.07/235,432.99 = 103,615.07/x
  3. Step 3: Cross multiply
    170,683.07x = 235,432.99 × 103,615.07
  4. Step 4: Simplify right side
    170,683.07x = 24,394,405,739.16
  5. Step 5: Solve for x
    x = 24,394,405,739.16/170,683.07
  6. Step 6: Final answer
    x = 142,922.23

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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.