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Finding the Fourth Proportional to 224,871.40, 337,307.10 and 84,661.48

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Solution

The fourth proportional to 224,871.40, 337,307.10 and 84,661.48 is: 126,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,871.40 : 337,307.10 = 84,661.48 : x
  2. Step 2: Convert to fraction form
    224,871.40/337,307.10 = 84,661.48/x
  3. Step 3: Cross multiply
    224,871.40x = 337,307.10 × 84,661.48
  4. Step 4: Simplify right side
    224,871.40x = 28,556,918,300.51
  5. Step 5: Solve for x
    x = 28,556,918,300.51/224,871.40
  6. Step 6: Final answer
    x = 126,992.22

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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.