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Finding the Fourth Proportional to 154,585.99, 213,267.25 and 96,408.50

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Solution

The fourth proportional to 154,585.99, 213,267.25 and 96,408.50 is: 133,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,585.99 : 213,267.25 = 96,408.50 : x
  2. Step 2: Convert to fraction form
    154,585.99/213,267.25 = 96,408.50/x
  3. Step 3: Cross multiply
    154,585.99x = 213,267.25 × 96,408.50
  4. Step 4: Simplify right side
    154,585.99x = 20,560,775,671.63
  5. Step 5: Solve for x
    x = 20,560,775,671.63/154,585.99
  6. Step 6: Final answer
    x = 133,005.43

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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.