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Finding the Fourth Proportional to 357,758.24, 536,662.19 and 121,020.89

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Solution

The fourth proportional to 357,758.24, 536,662.19 and 121,020.89 is: 181,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,758.24 : 536,662.19 = 121,020.89 : x
  2. Step 2: Convert to fraction form
    357,758.24/536,662.19 = 121,020.89/x
  3. Step 3: Cross multiply
    357,758.24x = 536,662.19 × 121,020.89
  4. Step 4: Simplify right side
    357,758.24x = 64,947,333,482.39
  5. Step 5: Solve for x
    x = 64,947,333,482.39/357,758.24
  6. Step 6: Final answer
    x = 181,539.73

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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.