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Finding the Fourth Proportional to 299,271.06, 448,643.75 and 121,927.23

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Solution

The fourth proportional to 299,271.06, 448,643.75 and 121,927.23 is: 182,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,271.06 : 448,643.75 = 121,927.23 : x
  2. Step 2: Convert to fraction form
    299,271.06/448,643.75 = 121,927.23/x
  3. Step 3: Cross multiply
    299,271.06x = 448,643.75 × 121,927.23
  4. Step 4: Simplify right side
    299,271.06x = 54,701,889,084.68
  5. Step 5: Solve for x
    x = 54,701,889,084.68/299,271.06
  6. Step 6: Final answer
    x = 182,783.76

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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.