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Finding the Fourth Proportional to 201,259.46, 301,870.70 and 68,124.48

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Solution

The fourth proportional to 201,259.46, 301,870.70 and 68,124.48 is: 102,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,259.46 : 301,870.70 = 68,124.48 : x
  2. Step 2: Convert to fraction form
    201,259.46/301,870.70 = 68,124.48/x
  3. Step 3: Cross multiply
    201,259.46x = 301,870.70 × 68,124.48
  4. Step 4: Simplify right side
    201,259.46x = 20,564,784,464.74
  5. Step 5: Solve for x
    x = 20,564,784,464.74/201,259.46
  6. Step 6: Final answer
    x = 102,180.46

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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.