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Finding the Fourth Proportional to 368,484.98, 552,665.63 and 102,272.54

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Solution

The fourth proportional to 368,484.98, 552,665.63 and 102,272.54 is: 153,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,484.98 : 552,665.63 = 102,272.54 : x
  2. Step 2: Convert to fraction form
    368,484.98/552,665.63 = 102,272.54/x
  3. Step 3: Cross multiply
    368,484.98x = 552,665.63 × 102,272.54
  4. Step 4: Simplify right side
    368,484.98x = 56,522,514,476.11
  5. Step 5: Solve for x
    x = 56,522,514,476.11/368,484.98
  6. Step 6: Final answer
    x = 153,391.64

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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.