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Finding the Fourth Proportional to 265,885.73, 366,923.45 and 145,029.62

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Solution

The fourth proportional to 265,885.73, 366,923.45 and 145,029.62 is: 200,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,885.73 : 366,923.45 = 145,029.62 : x
  2. Step 2: Convert to fraction form
    265,885.73/366,923.45 = 145,029.62/x
  3. Step 3: Cross multiply
    265,885.73x = 366,923.45 × 145,029.62
  4. Step 4: Simplify right side
    265,885.73x = 53,214,768,522.59
  5. Step 5: Solve for x
    x = 53,214,768,522.59/265,885.73
  6. Step 6: Final answer
    x = 200,141.50

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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.