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Finding the Fourth Proportional to 185,946, 279,930.84 and 169,412.28

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Solution

The fourth proportional to 185,946, 279,930.84 and 169,412.28 is: 255,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,946 : 279,930.84 = 169,412.28 : x
  2. Step 2: Convert to fraction form
    185,946/279,930.84 = 169,412.28/x
  3. Step 3: Cross multiply
    185,946x = 279,930.84 × 169,412.28
  4. Step 4: Simplify right side
    185,946x = 47,423,721,846.72
  5. Step 5: Solve for x
    x = 47,423,721,846.72/185,946
  6. Step 6: Final answer
    x = 255,040.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.