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Finding the Fourth Proportional to 117,464, 162,100.50 and 67,164.08

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Solution

The fourth proportional to 117,464, 162,100.50 and 67,164.08 is: 92,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464 : 162,100.50 = 67,164.08 : x
  2. Step 2: Convert to fraction form
    117,464/162,100.50 = 67,164.08/x
  3. Step 3: Cross multiply
    117,464x = 162,100.50 × 67,164.08
  4. Step 4: Simplify right side
    117,464x = 10,887,330,950.04
  5. Step 5: Solve for x
    x = 10,887,330,950.04/117,464
  6. Step 6: Final answer
    x = 92,686.53

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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.