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Finding the Fourth Proportional to 71,348.15, 98,461.16 and 43,048.37

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Solution

The fourth proportional to 71,348.15, 98,461.16 and 43,048.37 is: 59,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.15 : 98,461.16 = 43,048.37 : x
  2. Step 2: Convert to fraction form
    71,348.15/98,461.16 = 43,048.37/x
  3. Step 3: Cross multiply
    71,348.15x = 98,461.16 × 43,048.37
  4. Step 4: Simplify right side
    71,348.15x = 4,238,591,738.76
  5. Step 5: Solve for x
    x = 4,238,591,738.76/71,348.15
  6. Step 6: Final answer
    x = 59,407.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.