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Finding the Fourth Proportional to 150,484.94, 207,675.96 and 85,959.80

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Solution

The fourth proportional to 150,484.94, 207,675.96 and 85,959.80 is: 118,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,484.94 : 207,675.96 = 85,959.80 : x
  2. Step 2: Convert to fraction form
    150,484.94/207,675.96 = 85,959.80/x
  3. Step 3: Cross multiply
    150,484.94x = 207,675.96 × 85,959.80
  4. Step 4: Simplify right side
    150,484.94x = 17,851,783,986.41
  5. Step 5: Solve for x
    x = 17,851,783,986.41/150,484.94
  6. Step 6: Final answer
    x = 118,628.38

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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.