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Finding the Fourth Proportional to 228,334.44, 315,095.06 and 126,364.12

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Solution

The fourth proportional to 228,334.44, 315,095.06 and 126,364.12 is: 174,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,334.44 : 315,095.06 = 126,364.12 : x
  2. Step 2: Convert to fraction form
    228,334.44/315,095.06 = 126,364.12/x
  3. Step 3: Cross multiply
    228,334.44x = 315,095.06 × 126,364.12
  4. Step 4: Simplify right side
    228,334.44x = 39,816,709,973.25
  5. Step 5: Solve for x
    x = 39,816,709,973.25/228,334.44
  6. Step 6: Final answer
    x = 174,378.91

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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.