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Finding the Fourth Proportional to 252,673.83, 348,705.81 and 145,260.54

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Solution

The fourth proportional to 252,673.83, 348,705.81 and 145,260.54 is: 200,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,673.83 : 348,705.81 = 145,260.54 : x
  2. Step 2: Convert to fraction form
    252,673.83/348,705.81 = 145,260.54/x
  3. Step 3: Cross multiply
    252,673.83x = 348,705.81 × 145,260.54
  4. Step 4: Simplify right side
    252,673.83x = 50,653,194,261.74
  5. Step 5: Solve for x
    x = 50,653,194,261.74/252,673.83
  6. Step 6: Final answer
    x = 200,468.70

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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.