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Finding the Fourth Proportional to 357,770.36, 536,680.38 and 121,033.02

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Solution

The fourth proportional to 357,770.36, 536,680.38 and 121,033.02 is: 181,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,770.36 : 536,680.38 = 121,033.02 : x
  2. Step 2: Convert to fraction form
    357,770.36/536,680.38 = 121,033.02/x
  3. Step 3: Cross multiply
    357,770.36x = 536,680.38 × 121,033.02
  4. Step 4: Simplify right side
    357,770.36x = 64,956,047,166.15
  5. Step 5: Solve for x
    x = 64,956,047,166.15/357,770.36
  6. Step 6: Final answer
    x = 181,557.93

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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.