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Finding the Fourth Proportional to 357,948.72, 536,809.62 and 121,236.04

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Solution

The fourth proportional to 357,948.72, 536,809.62 and 121,236.04 is: 181,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,948.72 : 536,809.62 = 121,236.04 : x
  2. Step 2: Convert to fraction form
    357,948.72/536,809.62 = 121,236.04/x
  3. Step 3: Cross multiply
    357,948.72x = 536,809.62 × 121,236.04
  4. Step 4: Simplify right side
    357,948.72x = 65,080,669,878.66
  5. Step 5: Solve for x
    x = 65,080,669,878.66/357,948.72
  6. Step 6: Final answer
    x = 181,815.63

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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.