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Finding the Fourth Proportional to 68,032.36, 102,030.06 and 43,034.84

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Solution

The fourth proportional to 68,032.36, 102,030.06 and 43,034.84 is: 64,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,032.36 : 102,030.06 = 43,034.84 : x
  2. Step 2: Convert to fraction form
    68,032.36/102,030.06 = 43,034.84/x
  3. Step 3: Cross multiply
    68,032.36x = 102,030.06 × 43,034.84
  4. Step 4: Simplify right side
    68,032.36x = 4,390,847,307.29
  5. Step 5: Solve for x
    x = 4,390,847,307.29/68,032.36
  6. Step 6: Final answer
    x = 64,540.57

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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.