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Finding the Fourth Proportional to 357,953.50, 536,933.49 and 108,635.50

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Solution

The fourth proportional to 357,953.50, 536,933.49 and 108,635.50 is: 162,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,953.50 : 536,933.49 = 108,635.50 : x
  2. Step 2: Convert to fraction form
    357,953.50/536,933.49 = 108,635.50/x
  3. Step 3: Cross multiply
    357,953.50x = 536,933.49 × 108,635.50
  4. Step 4: Simplify right side
    357,953.50x = 58,330,038,152.90
  5. Step 5: Solve for x
    x = 58,330,038,152.90/357,953.50
  6. Step 6: Final answer
    x = 162,954.23

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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.