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Finding the Fourth Proportional to 108,810, 163,216.08 and 38,692.08

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Solution

The fourth proportional to 108,810, 163,216.08 and 38,692.08 is: 58,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,810 : 163,216.08 = 38,692.08 : x
  2. Step 2: Convert to fraction form
    108,810/163,216.08 = 38,692.08/x
  3. Step 3: Cross multiply
    108,810x = 163,216.08 × 38,692.08
  4. Step 4: Simplify right side
    108,810x = 6,315,169,624.65
  5. Step 5: Solve for x
    x = 6,315,169,624.65/108,810
  6. Step 6: Final answer
    x = 58,038.50

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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.