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Finding the Fourth Proportional to 169,768.44, 254,302.74 and 99,434.52

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Solution

The fourth proportional to 169,768.44, 254,302.74 and 99,434.52 is: 148,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,768.44 : 254,302.74 = 99,434.52 : x
  2. Step 2: Convert to fraction form
    169,768.44/254,302.74 = 99,434.52/x
  3. Step 3: Cross multiply
    169,768.44x = 254,302.74 × 99,434.52
  4. Step 4: Simplify right side
    169,768.44x = 25,286,470,886.58
  5. Step 5: Solve for x
    x = 25,286,470,886.58/169,768.44
  6. Step 6: Final answer
    x = 148,946.83

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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.