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Finding the Fourth Proportional to 228,025.50, 314,675.19 and 127,423.50

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Solution

The fourth proportional to 228,025.50, 314,675.19 and 127,423.50 is: 175,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,025.50 : 314,675.19 = 127,423.50 : x
  2. Step 2: Convert to fraction form
    228,025.50/314,675.19 = 127,423.50/x
  3. Step 3: Cross multiply
    228,025.50x = 314,675.19 × 127,423.50
  4. Step 4: Simplify right side
    228,025.50x = 40,097,014,072.97
  5. Step 5: Solve for x
    x = 40,097,014,072.97/228,025.50
  6. Step 6: Final answer
    x = 175,844.43

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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.