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Finding the Fourth Proportional to 368,585.67, 552,878.73 and 102,346.20

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Solution

The fourth proportional to 368,585.67, 552,878.73 and 102,346.20 is: 153,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,585.67 : 552,878.73 = 102,346.20 : x
  2. Step 2: Convert to fraction form
    368,585.67/552,878.73 = 102,346.20/x
  3. Step 3: Cross multiply
    368,585.67x = 552,878.73 × 102,346.20
  4. Step 4: Simplify right side
    368,585.67x = 56,585,037,076.33
  5. Step 5: Solve for x
    x = 56,585,037,076.33/368,585.67
  6. Step 6: Final answer
    x = 153,519.36

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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.