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Finding the Fourth Proportional to 357,403.19, 535,947.33 and 167,917.42

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Solution

The fourth proportional to 357,403.19, 535,947.33 and 167,917.42 is: 251,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,403.19 : 535,947.33 = 167,917.42 : x
  2. Step 2: Convert to fraction form
    357,403.19/535,947.33 = 167,917.42/x
  3. Step 3: Cross multiply
    357,403.19x = 535,947.33 × 167,917.42
  4. Step 4: Simplify right side
    357,403.19x = 89,994,890,229.75
  5. Step 5: Solve for x
    x = 89,994,890,229.75/357,403.19
  6. Step 6: Final answer
    x = 251,802.15

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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.