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Finding the Fourth Proportional to 357,693, 536,622.42 and 104,963.16

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Solution

The fourth proportional to 357,693, 536,622.42 and 104,963.16 is: 157,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,693 : 536,622.42 = 104,963.16 : x
  2. Step 2: Convert to fraction form
    357,693/536,622.42 = 104,963.16/x
  3. Step 3: Cross multiply
    357,693x = 536,622.42 × 104,963.16
  4. Step 4: Simplify right side
    357,693x = 56,325,584,930.05
  5. Step 5: Solve for x
    x = 56,325,584,930.05/357,693
  6. Step 6: Final answer
    x = 157,469.07

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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.