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Finding the Fourth Proportional to 108,686, 163,043.58 and 46,371.08

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Solution

The fourth proportional to 108,686, 163,043.58 and 46,371.08 is: 69,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,686 : 163,043.58 = 46,371.08 : x
  2. Step 2: Convert to fraction form
    108,686/163,043.58 = 46,371.08/x
  3. Step 3: Cross multiply
    108,686x = 163,043.58 × 46,371.08
  4. Step 4: Simplify right side
    108,686x = 7,560,506,891.67
  5. Step 5: Solve for x
    x = 7,560,506,891.67/108,686
  6. Step 6: Final answer
    x = 69,562.84

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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.