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Finding the Fourth Proportional to 344,035.84, 515,788.80 and 107,238.40

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Solution

The fourth proportional to 344,035.84, 515,788.80 and 107,238.40 is: 160,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,035.84 : 515,788.80 = 107,238.40 : x
  2. Step 2: Convert to fraction form
    344,035.84/515,788.80 = 107,238.40/x
  3. Step 3: Cross multiply
    344,035.84x = 515,788.80 × 107,238.40
  4. Step 4: Simplify right side
    344,035.84x = 55,312,365,649.92
  5. Step 5: Solve for x
    x = 55,312,365,649.92/344,035.84
  6. Step 6: Final answer
    x = 160,775.01

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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.