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Finding the Fourth Proportional to 98,108.50, 146,348.22 and 94,828.54

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Solution

The fourth proportional to 98,108.50, 146,348.22 and 94,828.54 is: 141,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,108.50 : 146,348.22 = 94,828.54 : x
  2. Step 2: Convert to fraction form
    98,108.50/146,348.22 = 94,828.54/x
  3. Step 3: Cross multiply
    98,108.50x = 146,348.22 × 94,828.54
  4. Step 4: Simplify right side
    98,108.50x = 13,877,988,034.20
  5. Step 5: Solve for x
    x = 13,877,988,034.20/98,108.50
  6. Step 6: Final answer
    x = 141,455.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.