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Finding the Fourth Proportional to 208,077.00, 287,115.46 and 126,362.75

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Solution

The fourth proportional to 208,077.00, 287,115.46 and 126,362.75 is: 174,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077.00 : 287,115.46 = 126,362.75 : x
  2. Step 2: Convert to fraction form
    208,077.00/287,115.46 = 126,362.75/x
  3. Step 3: Cross multiply
    208,077.00x = 287,115.46 × 126,362.75
  4. Step 4: Simplify right side
    208,077.00x = 36,280,697,341.63
  5. Step 5: Solve for x
    x = 36,280,697,341.63/208,077.00
  6. Step 6: Final answer
    x = 174,361.89

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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.