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Finding the Fourth Proportional to 89,801.01, 134,701.52 and 39,869.37

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Solution

The fourth proportional to 89,801.01, 134,701.52 and 39,869.37 is: 59,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,801.01 : 134,701.52 = 39,869.37 : x
  2. Step 2: Convert to fraction form
    89,801.01/134,701.52 = 39,869.37/x
  3. Step 3: Cross multiply
    89,801.01x = 134,701.52 × 39,869.37
  4. Step 4: Simplify right side
    89,801.01x = 5,370,464,541.10
  5. Step 5: Solve for x
    x = 5,370,464,541.10/89,801.01
  6. Step 6: Final answer
    x = 59,804.06

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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.