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Finding the Fourth Proportional to 163,683.65, 225,881.20 and 92,063.64

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Solution

The fourth proportional to 163,683.65, 225,881.20 and 92,063.64 is: 127,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,683.65 : 225,881.20 = 92,063.64 : x
  2. Step 2: Convert to fraction form
    163,683.65/225,881.20 = 92,063.64/x
  3. Step 3: Cross multiply
    163,683.65x = 225,881.20 × 92,063.64
  4. Step 4: Simplify right side
    163,683.65x = 20,795,445,479.57
  5. Step 5: Solve for x
    x = 20,795,445,479.57/163,683.65
  6. Step 6: Final answer
    x = 127,046.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.