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Finding the Fourth Proportional to 252,752.62, 348,798 and 145,317.46

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Solution

The fourth proportional to 252,752.62, 348,798 and 145,317.46 is: 200,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,752.62 : 348,798 = 145,317.46 : x
  2. Step 2: Convert to fraction form
    252,752.62/348,798 = 145,317.46/x
  3. Step 3: Cross multiply
    252,752.62x = 348,798 × 145,317.46
  4. Step 4: Simplify right side
    252,752.62x = 50,686,439,413.08
  5. Step 5: Solve for x
    x = 50,686,439,413.08/252,752.62
  6. Step 6: Final answer
    x = 200,537.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.