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Finding the Fourth Proportional to 70,001.83, 104,980.87 and 30,548.35

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Solution

The fourth proportional to 70,001.83, 104,980.87 and 30,548.35 is: 45,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,001.83 : 104,980.87 = 30,548.35 : x
  2. Step 2: Convert to fraction form
    70,001.83/104,980.87 = 30,548.35/x
  3. Step 3: Cross multiply
    70,001.83x = 104,980.87 × 30,548.35
  4. Step 4: Simplify right side
    70,001.83x = 3,206,992,360.06
  5. Step 5: Solve for x
    x = 3,206,992,360.06/70,001.83
  6. Step 6: Final answer
    x = 45,812.98

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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.