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Finding the Fourth Proportional to 241,330.90, 361,994.55 and 72,850.90

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Solution

The fourth proportional to 241,330.90, 361,994.55 and 72,850.90 is: 109,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,330.90 : 361,994.55 = 72,850.90 : x
  2. Step 2: Convert to fraction form
    241,330.90/361,994.55 = 72,850.90/x
  3. Step 3: Cross multiply
    241,330.90x = 361,994.55 × 72,850.90
  4. Step 4: Simplify right side
    241,330.90x = 26,371,628,762.60
  5. Step 5: Solve for x
    x = 26,371,628,762.60/241,330.90
  6. Step 6: Final answer
    x = 109,275.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.