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Finding the Fourth Proportional to 134,483.92, 201,850.53 and 67,970.41

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Solution

The fourth proportional to 134,483.92, 201,850.53 and 67,970.41 is: 102,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,483.92 : 201,850.53 = 67,970.41 : x
  2. Step 2: Convert to fraction form
    134,483.92/201,850.53 = 67,970.41/x
  3. Step 3: Cross multiply
    134,483.92x = 201,850.53 × 67,970.41
  4. Step 4: Simplify right side
    134,483.92x = 13,719,863,282.82
  5. Step 5: Solve for x
    x = 13,719,863,282.82/134,483.92
  6. Step 6: Final answer
    x = 102,018.62

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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.