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Finding the Fourth Proportional to 357,768.01, 536,619.21 and 121,083.58

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Solution

The fourth proportional to 357,768.01, 536,619.21 and 121,083.58 is: 181,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,768.01 : 536,619.21 = 121,083.58 : x
  2. Step 2: Convert to fraction form
    357,768.01/536,619.21 = 121,083.58/x
  3. Step 3: Cross multiply
    357,768.01x = 536,619.21 × 121,083.58
  4. Step 4: Simplify right side
    357,768.01x = 64,975,775,043.57
  5. Step 5: Solve for x
    x = 64,975,775,043.57/357,768.01
  6. Step 6: Final answer
    x = 181,614.27

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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.