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Finding the Fourth Proportional to 127,116, 175,419.61 and 69,756.29

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Solution

The fourth proportional to 127,116, 175,419.61 and 69,756.29 is: 96,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116 : 175,419.61 = 69,756.29 : x
  2. Step 2: Convert to fraction form
    127,116/175,419.61 = 69,756.29/x
  3. Step 3: Cross multiply
    127,116x = 175,419.61 × 69,756.29
  4. Step 4: Simplify right side
    127,116x = 12,236,620,793.18
  5. Step 5: Solve for x
    x = 12,236,620,793.18/127,116
  6. Step 6: Final answer
    x = 96,263.42

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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.