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Finding the Fourth Proportional to 168,915.51, 233,103.43 and 92,434.63

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Solution

The fourth proportional to 168,915.51, 233,103.43 and 92,434.63 is: 127,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,915.51 : 233,103.43 = 92,434.63 : x
  2. Step 2: Convert to fraction form
    168,915.51/233,103.43 = 92,434.63/x
  3. Step 3: Cross multiply
    168,915.51x = 233,103.43 × 92,434.63
  4. Step 4: Simplify right side
    168,915.51x = 21,546,828,993.87
  5. Step 5: Solve for x
    x = 21,546,828,993.87/168,915.51
  6. Step 6: Final answer
    x = 127,559.80

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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.