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Finding the Fourth Proportional to 105,604.59, 158,442.26 and 34,530.51

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Solution

The fourth proportional to 105,604.59, 158,442.26 and 34,530.51 is: 51,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,604.59 : 158,442.26 = 34,530.51 : x
  2. Step 2: Convert to fraction form
    105,604.59/158,442.26 = 34,530.51/x
  3. Step 3: Cross multiply
    105,604.59x = 158,442.26 × 34,530.51
  4. Step 4: Simplify right side
    105,604.59x = 5,471,091,697.17
  5. Step 5: Solve for x
    x = 5,471,091,697.17/105,604.59
  6. Step 6: Final answer
    x = 51,807.33

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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.