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Finding the Fourth Proportional to 97,886.01, 135,147.70 and 75,184.41

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Solution

The fourth proportional to 97,886.01, 135,147.70 and 75,184.41 is: 103,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,886.01 : 135,147.70 = 75,184.41 : x
  2. Step 2: Convert to fraction form
    97,886.01/135,147.70 = 75,184.41/x
  3. Step 3: Cross multiply
    97,886.01x = 135,147.70 × 75,184.41
  4. Step 4: Simplify right side
    97,886.01x = 10,161,000,087.36
  5. Step 5: Solve for x
    x = 10,161,000,087.36/97,886.01
  6. Step 6: Final answer
    x = 103,804.42

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1.5x scale

Why These Related Problems?

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