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Finding the Fourth Proportional to 163,907.45, 245,750.46 and 83,748.43

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Solution

The fourth proportional to 163,907.45, 245,750.46 and 83,748.43 is: 125,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,907.45 : 245,750.46 = 83,748.43 : x
  2. Step 2: Convert to fraction form
    163,907.45/245,750.46 = 83,748.43/x
  3. Step 3: Cross multiply
    163,907.45x = 245,750.46 × 83,748.43
  4. Step 4: Simplify right side
    163,907.45x = 20,581,215,189.91
  5. Step 5: Solve for x
    x = 20,581,215,189.91/163,907.45
  6. Step 6: Final answer
    x = 125,566.08

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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.