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Finding the Fourth Proportional to 150,937.35, 208,506.15 and 142,965.74

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Solution

The fourth proportional to 150,937.35, 208,506.15 and 142,965.74 is: 197,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,937.35 : 208,506.15 = 142,965.74 : x
  2. Step 2: Convert to fraction form
    150,937.35/208,506.15 = 142,965.74/x
  3. Step 3: Cross multiply
    150,937.35x = 208,506.15 × 142,965.74
  4. Step 4: Simplify right side
    150,937.35x = 29,809,234,986.77
  5. Step 5: Solve for x
    x = 29,809,234,986.77/150,937.35
  6. Step 6: Final answer
    x = 197,494.09

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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.