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Finding the Fourth Proportional to 227,980.67, 314,603.51 and 126,000.86

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Solution

The fourth proportional to 227,980.67, 314,603.51 and 126,000.86 is: 173,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,980.67 : 314,603.51 = 126,000.86 : x
  2. Step 2: Convert to fraction form
    227,980.67/314,603.51 = 126,000.86/x
  3. Step 3: Cross multiply
    227,980.67x = 314,603.51 × 126,000.86
  4. Step 4: Simplify right side
    227,980.67x = 39,640,310,616.00
  5. Step 5: Solve for x
    x = 39,640,310,616.00/227,980.67
  6. Step 6: Final answer
    x = 173,875.76

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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.