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Finding the Fourth Proportional to 94,117, 129,881.56 and 55,884.18

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Solution

The fourth proportional to 94,117, 129,881.56 and 55,884.18 is: 77,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,117 : 129,881.56 = 55,884.18 : x
  2. Step 2: Convert to fraction form
    94,117/129,881.56 = 55,884.18/x
  3. Step 3: Cross multiply
    94,117x = 129,881.56 × 55,884.18
  4. Step 4: Simplify right side
    94,117x = 7,258,324,477.72
  5. Step 5: Solve for x
    x = 7,258,324,477.72/94,117
  6. Step 6: Final answer
    x = 77,120.23

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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.