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Finding the Fourth Proportional to 108,773, 163,159.50 and 38,655.08

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Solution

The fourth proportional to 108,773, 163,159.50 and 38,655.08 is: 57,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773 : 163,159.50 = 38,655.08 : x
  2. Step 2: Convert to fraction form
    108,773/163,159.50 = 38,655.08/x
  3. Step 3: Cross multiply
    108,773x = 163,159.50 × 38,655.08
  4. Step 4: Simplify right side
    108,773x = 6,306,943,525.26
  5. Step 5: Solve for x
    x = 6,306,943,525.26/108,773
  6. Step 6: Final answer
    x = 57,982.62

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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.