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Finding the Fourth Proportional to 134,407.89, 201,736.44 and 67,894.68

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Solution

The fourth proportional to 134,407.89, 201,736.44 and 67,894.68 is: 101,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,407.89 : 201,736.44 = 67,894.68 : x
  2. Step 2: Convert to fraction form
    134,407.89/201,736.44 = 67,894.68/x
  3. Step 3: Cross multiply
    134,407.89x = 201,736.44 × 67,894.68
  4. Step 4: Simplify right side
    134,407.89x = 13,696,831,038.14
  5. Step 5: Solve for x
    x = 13,696,831,038.14/134,407.89
  6. Step 6: Final answer
    x = 101,904.96

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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.