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Finding the Fourth Proportional to 168,853.84, 232,916.76 and 111,493.68

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Solution

The fourth proportional to 168,853.84, 232,916.76 and 111,493.68 is: 153,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,853.84 : 232,916.76 = 111,493.68 : x
  2. Step 2: Convert to fraction form
    168,853.84/232,916.76 = 111,493.68/x
  3. Step 3: Cross multiply
    168,853.84x = 232,916.76 × 111,493.68
  4. Step 4: Simplify right side
    168,853.84x = 25,968,746,706.08
  5. Step 5: Solve for x
    x = 25,968,746,706.08/168,853.84
  6. Step 6: Final answer
    x = 153,794.23

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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.