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Finding the Fourth Proportional to 299,110.84, 448,865.78 and 155,149.34

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Solution

The fourth proportional to 299,110.84, 448,865.78 and 155,149.34 is: 232,827.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,110.84 : 448,865.78 = 155,149.34 : x
  2. Step 2: Convert to fraction form
    299,110.84/448,865.78 = 155,149.34/x
  3. Step 3: Cross multiply
    299,110.84x = 448,865.78 × 155,149.34
  4. Step 4: Simplify right side
    299,110.84x = 69,641,226,495.51
  5. Step 5: Solve for x
    x = 69,641,226,495.51/299,110.84
  6. Step 6: Final answer
    x = 232,827.50

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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.