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Finding the Fourth Proportional to 357,994.18, 536,636.52 and 168,114.64

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Solution

The fourth proportional to 357,994.18, 536,636.52 and 168,114.64 is: 252,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,994.18 : 536,636.52 = 168,114.64 : x
  2. Step 2: Convert to fraction form
    357,994.18/536,636.52 = 168,114.64/x
  3. Step 3: Cross multiply
    357,994.18x = 536,636.52 × 168,114.64
  4. Step 4: Simplify right side
    357,994.18x = 90,216,455,370.65
  5. Step 5: Solve for x
    x = 90,216,455,370.65/357,994.18
  6. Step 6: Final answer
    x = 252,005.37

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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.