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Finding the Fourth Proportional to 98,810.82, 148,125.40 and 35,615.48

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Solution

The fourth proportional to 98,810.82, 148,125.40 and 35,615.48 is: 53,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810.82 : 148,125.40 = 35,615.48 : x
  2. Step 2: Convert to fraction form
    98,810.82/148,125.40 = 35,615.48/x
  3. Step 3: Cross multiply
    98,810.82x = 148,125.40 × 35,615.48
  4. Step 4: Simplify right side
    98,810.82x = 5,275,556,391.53
  5. Step 5: Solve for x
    x = 5,275,556,391.53/98,810.82
  6. Step 6: Final answer
    x = 53,390.47

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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.