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Finding the Fourth Proportional to 368,093.16, 552,146.64 and 115,368.06

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Solution

The fourth proportional to 368,093.16, 552,146.64 and 115,368.06 is: 173,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,093.16 : 552,146.64 = 115,368.06 : x
  2. Step 2: Convert to fraction form
    368,093.16/552,146.64 = 115,368.06/x
  3. Step 3: Cross multiply
    368,093.16x = 552,146.64 × 115,368.06
  4. Step 4: Simplify right side
    368,093.16x = 63,700,086,692.32
  5. Step 5: Solve for x
    x = 63,700,086,692.32/368,093.16
  6. Step 6: Final answer
    x = 173,054.25

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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.