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Finding the Fourth Proportional to 368,041.74, 552,073.56 and 101,821.89

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Solution

The fourth proportional to 368,041.74, 552,073.56 and 101,821.89 is: 152,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,041.74 : 552,073.56 = 101,821.89 : x
  2. Step 2: Convert to fraction form
    368,041.74/552,073.56 = 101,821.89/x
  3. Step 3: Cross multiply
    368,041.74x = 552,073.56 × 101,821.89
  4. Step 4: Simplify right side
    368,041.74x = 56,213,173,298.23
  5. Step 5: Solve for x
    x = 56,213,173,298.23/368,041.74
  6. Step 6: Final answer
    x = 152,735.86

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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.