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Finding the Fourth Proportional to 98,110.35, 146,837.48 and 68,585.85

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Solution

The fourth proportional to 98,110.35, 146,837.48 and 68,585.85 is: 102,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,110.35 : 146,837.48 = 68,585.85 : x
  2. Step 2: Convert to fraction form
    98,110.35/146,837.48 = 68,585.85/x
  3. Step 3: Cross multiply
    98,110.35x = 146,837.48 × 68,585.85
  4. Step 4: Simplify right side
    98,110.35x = 10,070,973,034.73
  5. Step 5: Solve for x
    x = 10,070,973,034.73/98,110.35
  6. Step 6: Final answer
    x = 102,649.45

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1.5x scale

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.