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Finding the Fourth Proportional to 134,371.56, 201,681.95 and 67,858.51

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Solution

The fourth proportional to 134,371.56, 201,681.95 and 67,858.51 is: 101,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,371.56 : 201,681.95 = 67,858.51 : x
  2. Step 2: Convert to fraction form
    134,371.56/201,681.95 = 67,858.51/x
  3. Step 3: Cross multiply
    134,371.56x = 201,681.95 × 67,858.51
  4. Step 4: Simplify right side
    134,371.56x = 13,685,836,537.25
  5. Step 5: Solve for x
    x = 13,685,836,537.25/134,371.56
  6. Step 6: Final answer
    x = 101,850.69

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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.