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Finding the Fourth Proportional to 163,622.80, 245,563.80 and 63,830.80

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Solution

The fourth proportional to 163,622.80, 245,563.80 and 63,830.80 is: 95,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,622.80 : 245,563.80 = 63,830.80 : x
  2. Step 2: Convert to fraction form
    163,622.80/245,563.80 = 63,830.80/x
  3. Step 3: Cross multiply
    163,622.80x = 245,563.80 × 63,830.80
  4. Step 4: Simplify right side
    163,622.80x = 15,674,533,805.04
  5. Step 5: Solve for x
    x = 15,674,533,805.04/163,622.80
  6. Step 6: Final answer
    x = 95,796.76

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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.