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Finding the Fourth Proportional to 154,468.90, 213,185.04 and 94,074.94

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Solution

The fourth proportional to 154,468.90, 213,185.04 and 94,074.94 is: 129,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,468.90 : 213,185.04 = 94,074.94 : x
  2. Step 2: Convert to fraction form
    154,468.90/213,185.04 = 94,074.94/x
  3. Step 3: Cross multiply
    154,468.90x = 213,185.04 × 94,074.94
  4. Step 4: Simplify right side
    154,468.90x = 20,055,369,846.90
  5. Step 5: Solve for x
    x = 20,055,369,846.90/154,468.90
  6. Step 6: Final answer
    x = 129,834.35

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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.