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Finding the Fourth Proportional to 132,143.01, 182,358.30 and 74,782.45

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Solution

The fourth proportional to 132,143.01, 182,358.30 and 74,782.45 is: 103,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,143.01 : 182,358.30 = 74,782.45 : x
  2. Step 2: Convert to fraction form
    132,143.01/182,358.30 = 74,782.45/x
  3. Step 3: Cross multiply
    132,143.01x = 182,358.30 × 74,782.45
  4. Step 4: Simplify right side
    132,143.01x = 13,637,200,451.84
  5. Step 5: Solve for x
    x = 13,637,200,451.84/132,143.01
  6. Step 6: Final answer
    x = 103,200.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.