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Finding the Fourth Proportional to 162,841.33, 224,858.69 and 122,484.79

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Solution

The fourth proportional to 162,841.33, 224,858.69 and 122,484.79 is: 169,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,841.33 : 224,858.69 = 122,484.79 : x
  2. Step 2: Convert to fraction form
    162,841.33/224,858.69 = 122,484.79/x
  3. Step 3: Cross multiply
    162,841.33x = 224,858.69 × 122,484.79
  4. Step 4: Simplify right side
    162,841.33x = 27,541,769,424.33
  5. Step 5: Solve for x
    x = 27,541,769,424.33/162,841.33
  6. Step 6: Final answer
    x = 169,132.55

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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.