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Finding the Fourth Proportional to 368,071, 552,106.83 and 115,371.25

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Solution

The fourth proportional to 368,071, 552,106.83 and 115,371.25 is: 173,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,071 : 552,106.83 = 115,371.25 : x
  2. Step 2: Convert to fraction form
    368,071/552,106.83 = 115,371.25/x
  3. Step 3: Cross multiply
    368,071x = 552,106.83 × 115,371.25
  4. Step 4: Simplify right side
    368,071x = 63,697,255,110.64
  5. Step 5: Solve for x
    x = 63,697,255,110.64/368,071
  6. Step 6: Final answer
    x = 173,056.98

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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.