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Finding the Fourth Proportional to 150,347.58, 207,479.67 and 82,366.98

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Solution

The fourth proportional to 150,347.58, 207,479.67 and 82,366.98 is: 113,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,347.58 : 207,479.67 = 82,366.98 : x
  2. Step 2: Convert to fraction form
    150,347.58/207,479.67 = 82,366.98/x
  3. Step 3: Cross multiply
    150,347.58x = 207,479.67 × 82,366.98
  4. Step 4: Simplify right side
    150,347.58x = 17,089,473,829.30
  5. Step 5: Solve for x
    x = 17,089,473,829.30/150,347.58
  6. Step 6: Final answer
    x = 113,666.44

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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.