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Finding the Fourth Proportional to 270,571.12, 405,852.42 and 93,079.67

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Solution

The fourth proportional to 270,571.12, 405,852.42 and 93,079.67 is: 139,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,571.12 : 405,852.42 = 93,079.67 : x
  2. Step 2: Convert to fraction form
    270,571.12/405,852.42 = 93,079.67/x
  3. Step 3: Cross multiply
    270,571.12x = 405,852.42 × 93,079.67
  4. Step 4: Simplify right side
    270,571.12x = 37,776,607,642.09
  5. Step 5: Solve for x
    x = 37,776,607,642.09/270,571.12
  6. Step 6: Final answer
    x = 139,618.03

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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.