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Finding the Fourth Proportional to 73,087.36, 100,862.40 and 44,808.64

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Solution

The fourth proportional to 73,087.36, 100,862.40 and 44,808.64 is: 61,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,087.36 : 100,862.40 = 44,808.64 : x
  2. Step 2: Convert to fraction form
    73,087.36/100,862.40 = 44,808.64/x
  3. Step 3: Cross multiply
    73,087.36x = 100,862.40 × 44,808.64
  4. Step 4: Simplify right side
    73,087.36x = 4,519,506,971.14
  5. Step 5: Solve for x
    x = 4,519,506,971.14/73,087.36
  6. Step 6: Final answer
    x = 61,837.05

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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.