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Finding the Fourth Proportional to 227,907.10, 314,511.51 and 127,305.10

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Solution

The fourth proportional to 227,907.10, 314,511.51 and 127,305.10 is: 175,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,907.10 : 314,511.51 = 127,305.10 : x
  2. Step 2: Convert to fraction form
    227,907.10/314,511.51 = 127,305.10/x
  3. Step 3: Cross multiply
    227,907.10x = 314,511.51 × 127,305.10
  4. Step 4: Simplify right side
    227,907.10x = 40,038,919,231.70
  5. Step 5: Solve for x
    x = 40,038,919,231.70/227,907.10
  6. Step 6: Final answer
    x = 175,680.88

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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.