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Finding the Fourth Proportional to 112,449.17, 155,179.58 and 64,051.08

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Solution

The fourth proportional to 112,449.17, 155,179.58 and 64,051.08 is: 88,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,449.17 : 155,179.58 = 64,051.08 : x
  2. Step 2: Convert to fraction form
    112,449.17/155,179.58 = 64,051.08/x
  3. Step 3: Cross multiply
    112,449.17x = 155,179.58 × 64,051.08
  4. Step 4: Simplify right side
    112,449.17x = 9,939,419,372.69
  5. Step 5: Solve for x
    x = 9,939,419,372.69/112,449.17
  6. Step 6: Final answer
    x = 88,390.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.