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Finding the Fourth Proportional to 368,070, 552,105.33 and 115,370.25

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Solution

The fourth proportional to 368,070, 552,105.33 and 115,370.25 is: 173,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,070 : 552,105.33 = 115,370.25 : x
  2. Step 2: Convert to fraction form
    368,070/552,105.33 = 115,370.25/x
  3. Step 3: Cross multiply
    368,070x = 552,105.33 × 115,370.25
  4. Step 4: Simplify right side
    368,070x = 63,696,529,948.43
  5. Step 5: Solve for x
    x = 63,696,529,948.43/368,070
  6. Step 6: Final answer
    x = 173,055.48

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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.