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Finding the Fourth Proportional to 117,426, 162,047.89 and 67,126.08

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Solution

The fourth proportional to 117,426, 162,047.89 and 67,126.08 is: 92,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,426 : 162,047.89 = 67,126.08 : x
  2. Step 2: Convert to fraction form
    117,426/162,047.89 = 67,126.08/x
  3. Step 3: Cross multiply
    117,426x = 162,047.89 × 67,126.08
  4. Step 4: Simplify right side
    117,426x = 10,877,639,627.97
  5. Step 5: Solve for x
    x = 10,877,639,627.97/117,426
  6. Step 6: Final answer
    x = 92,634.00

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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.