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Finding the Fourth Proportional to 252,684.79, 348,735.59 and 143,815.60

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Solution

The fourth proportional to 252,684.79, 348,735.59 and 143,815.60 is: 198,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,684.79 : 348,735.59 = 143,815.60 : x
  2. Step 2: Convert to fraction form
    252,684.79/348,735.59 = 143,815.60/x
  3. Step 3: Cross multiply
    252,684.79x = 348,735.59 × 143,815.60
  4. Step 4: Simplify right side
    252,684.79x = 50,153,615,654.45
  5. Step 5: Solve for x
    x = 50,153,615,654.45/252,684.79
  6. Step 6: Final answer
    x = 198,482.93

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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.