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Finding the Fourth Proportional to 357,167.73, 492,921.72 and 196,050.07

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Solution

The fourth proportional to 357,167.73, 492,921.72 and 196,050.07 is: 270,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,167.73 : 492,921.72 = 196,050.07 : x
  2. Step 2: Convert to fraction form
    357,167.73/492,921.72 = 196,050.07/x
  3. Step 3: Cross multiply
    357,167.73x = 492,921.72 × 196,050.07
  4. Step 4: Simplify right side
    357,167.73x = 96,637,338,326.67
  5. Step 5: Solve for x
    x = 96,637,338,326.67/357,167.73
  6. Step 6: Final answer
    x = 270,565.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.