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Finding the Fourth Proportional to 213,809.77, 295,037.45 and 127,751.62

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Solution

The fourth proportional to 213,809.77, 295,037.45 and 127,751.62 is: 176,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,809.77 : 295,037.45 = 127,751.62 : x
  2. Step 2: Convert to fraction form
    213,809.77/295,037.45 = 127,751.62/x
  3. Step 3: Cross multiply
    213,809.77x = 295,037.45 × 127,751.62
  4. Step 4: Simplify right side
    213,809.77x = 37,691,511,779.95
  5. Step 5: Solve for x
    x = 37,691,511,779.95/213,809.77
  6. Step 6: Final answer
    x = 176,285.27

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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.