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Finding the Fourth Proportional to 98,895, 148,361.10 and 39,735.40

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Solution

The fourth proportional to 98,895, 148,361.10 and 39,735.40 is: 59,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895 : 148,361.10 = 39,735.40 : x
  2. Step 2: Convert to fraction form
    98,895/148,361.10 = 39,735.40/x
  3. Step 3: Cross multiply
    98,895x = 148,361.10 × 39,735.40
  4. Step 4: Simplify right side
    98,895x = 5,895,187,652.94
  5. Step 5: Solve for x
    x = 5,895,187,652.94/98,895
  6. Step 6: Final answer
    x = 59,610.57

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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.