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Finding the Fourth Proportional to 243,141.51, 364,759.53 and 93,370.79

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Solution

The fourth proportional to 243,141.51, 364,759.53 and 93,370.79 is: 140,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,141.51 : 364,759.53 = 93,370.79 : x
  2. Step 2: Convert to fraction form
    243,141.51/364,759.53 = 93,370.79/x
  3. Step 3: Cross multiply
    243,141.51x = 364,759.53 × 93,370.79
  4. Step 4: Simplify right side
    243,141.51x = 34,057,883,652.33
  5. Step 5: Solve for x
    x = 34,057,883,652.33/243,141.51
  6. Step 6: Final answer
    x = 140,074.33

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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.