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Finding the Fourth Proportional to 163,184.63, 245,152.17 and 115,914.65

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Solution

The fourth proportional to 163,184.63, 245,152.17 and 115,914.65 is: 174,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,184.63 : 245,152.17 = 115,914.65 : x
  2. Step 2: Convert to fraction form
    163,184.63/245,152.17 = 115,914.65/x
  3. Step 3: Cross multiply
    163,184.63x = 245,152.17 × 115,914.65
  4. Step 4: Simplify right side
    163,184.63x = 28,416,726,756.53
  5. Step 5: Solve for x
    x = 28,416,726,756.53/163,184.63
  6. Step 6: Final answer
    x = 174,138.51

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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.