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Finding the Fourth Proportional to 98,709.35, 148,092.71 and 35,528.33

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Solution

The fourth proportional to 98,709.35, 148,092.71 and 35,528.33 is: 53,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,709.35 : 148,092.71 = 35,528.33 : x
  2. Step 2: Convert to fraction form
    98,709.35/148,092.71 = 35,528.33/x
  3. Step 3: Cross multiply
    98,709.35x = 148,092.71 × 35,528.33
  4. Step 4: Simplify right side
    98,709.35x = 5,261,486,864.06
  5. Step 5: Solve for x
    x = 5,261,486,864.06/98,709.35
  6. Step 6: Final answer
    x = 53,302.82

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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.