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Finding the Fourth Proportional to 150,473.25, 207,599.85 and 85,895.89

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Solution

The fourth proportional to 150,473.25, 207,599.85 and 85,895.89 is: 118,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,473.25 : 207,599.85 = 85,895.89 : x
  2. Step 2: Convert to fraction form
    150,473.25/207,599.85 = 85,895.89/x
  3. Step 3: Cross multiply
    150,473.25x = 207,599.85 × 85,895.89
  4. Step 4: Simplify right side
    150,473.25x = 17,831,973,360.62
  5. Step 5: Solve for x
    x = 17,831,973,360.62/150,473.25
  6. Step 6: Final answer
    x = 118,505.94

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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.