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Finding the Fourth Proportional to 357,735.66, 536,640.35 and 105,015.17

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Solution

The fourth proportional to 357,735.66, 536,640.35 and 105,015.17 is: 157,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,735.66 : 536,640.35 = 105,015.17 : x
  2. Step 2: Convert to fraction form
    357,735.66/536,640.35 = 105,015.17/x
  3. Step 3: Cross multiply
    357,735.66x = 536,640.35 × 105,015.17
  4. Step 4: Simplify right side
    357,735.66x = 56,355,374,375.83
  5. Step 5: Solve for x
    x = 56,355,374,375.83/357,735.66
  6. Step 6: Final answer
    x = 157,533.57

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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.