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Finding the Fourth Proportional to 299,010.59, 448,679.90 and 121,469.93

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Solution

The fourth proportional to 299,010.59, 448,679.90 and 121,469.93 is: 182,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,010.59 : 448,679.90 = 121,469.93 : x
  2. Step 2: Convert to fraction form
    299,010.59/448,679.90 = 121,469.93/x
  3. Step 3: Cross multiply
    299,010.59x = 448,679.90 × 121,469.93
  4. Step 4: Simplify right side
    299,010.59x = 54,501,113,802.01
  5. Step 5: Solve for x
    x = 54,501,113,802.01/299,010.59
  6. Step 6: Final answer
    x = 182,271.52

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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.