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Finding the Fourth Proportional to 270,383.58, 405,599.06 and 70,703.19

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Solution

The fourth proportional to 270,383.58, 405,599.06 and 70,703.19 is: 106,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,383.58 : 405,599.06 = 70,703.19 : x
  2. Step 2: Convert to fraction form
    270,383.58/405,599.06 = 70,703.19/x
  3. Step 3: Cross multiply
    270,383.58x = 405,599.06 × 70,703.19
  4. Step 4: Simplify right side
    270,383.58x = 28,677,147,579.76
  5. Step 5: Solve for x
    x = 28,677,147,579.76/270,383.58
  6. Step 6: Final answer
    x = 106,060.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.