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Finding the Fourth Proportional to 134,484.92, 201,852.03 and 67,971.41

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Solution

The fourth proportional to 134,484.92, 201,852.03 and 67,971.41 is: 102,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,484.92 : 201,852.03 = 67,971.41 : x
  2. Step 2: Convert to fraction form
    134,484.92/201,852.03 = 67,971.41/x
  3. Step 3: Cross multiply
    134,484.92x = 201,852.03 × 67,971.41
  4. Step 4: Simplify right side
    134,484.92x = 13,720,167,090.46
  5. Step 5: Solve for x
    x = 13,720,167,090.46/134,484.92
  6. Step 6: Final answer
    x = 102,020.12

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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.