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Finding the Fourth Proportional to 117,684.56, 176,701.56 and 115,585.04

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Solution

The fourth proportional to 117,684.56, 176,701.56 and 115,585.04 is: 173,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,684.56 : 176,701.56 = 115,585.04 : x
  2. Step 2: Convert to fraction form
    117,684.56/176,701.56 = 115,585.04/x
  3. Step 3: Cross multiply
    117,684.56x = 176,701.56 × 115,585.04
  4. Step 4: Simplify right side
    117,684.56x = 20,424,056,880.66
  5. Step 5: Solve for x
    x = 20,424,056,880.66/117,684.56
  6. Step 6: Final answer
    x = 173,549.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.