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Finding the Fourth Proportional to 113,353.70, 170,095.35 and 43,283.30

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Solution

The fourth proportional to 113,353.70, 170,095.35 and 43,283.30 is: 64,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,353.70 : 170,095.35 = 43,283.30 : x
  2. Step 2: Convert to fraction form
    113,353.70/170,095.35 = 43,283.30/x
  3. Step 3: Cross multiply
    113,353.70x = 170,095.35 × 43,283.30
  4. Step 4: Simplify right side
    113,353.70x = 7,362,288,062.66
  5. Step 5: Solve for x
    x = 7,362,288,062.66/113,353.70
  6. Step 6: Final answer
    x = 64,949.69

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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.