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Finding the Fourth Proportional to 228,220.80, 314,920.48 and 126,230.04

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Solution

The fourth proportional to 228,220.80, 314,920.48 and 126,230.04 is: 174,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,220.80 : 314,920.48 = 126,230.04 : x
  2. Step 2: Convert to fraction form
    228,220.80/314,920.48 = 126,230.04/x
  3. Step 3: Cross multiply
    228,220.80x = 314,920.48 × 126,230.04
  4. Step 4: Simplify right side
    228,220.80x = 39,752,424,787.22
  5. Step 5: Solve for x
    x = 39,752,424,787.22/228,220.80
  6. Step 6: Final answer
    x = 174,184.06

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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.