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Finding the Fourth Proportional to 169,767.36, 254,648.88 and 103,225.68

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Solution

The fourth proportional to 169,767.36, 254,648.88 and 103,225.68 is: 154,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,767.36 : 254,648.88 = 103,225.68 : x
  2. Step 2: Convert to fraction form
    169,767.36/254,648.88 = 103,225.68/x
  3. Step 3: Cross multiply
    169,767.36x = 254,648.88 × 103,225.68
  4. Step 4: Simplify right side
    169,767.36x = 26,286,303,799.24
  5. Step 5: Solve for x
    x = 26,286,303,799.24/169,767.36
  6. Step 6: Final answer
    x = 154,837.21

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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.