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Finding the Fourth Proportional to 368,319.36, 552,476.64 and 94,765.32

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Solution

The fourth proportional to 368,319.36, 552,476.64 and 94,765.32 is: 142,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,319.36 : 552,476.64 = 94,765.32 : x
  2. Step 2: Convert to fraction form
    368,319.36/552,476.64 = 94,765.32/x
  3. Step 3: Cross multiply
    368,319.36x = 552,476.64 × 94,765.32
  4. Step 4: Simplify right side
    368,319.36x = 52,355,625,582.12
  5. Step 5: Solve for x
    x = 52,355,625,582.12/368,319.36
  6. Step 6: Final answer
    x = 142,147.36

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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.