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Finding the Fourth Proportional to 80,325.32, 110,848.84 and 48,488.00

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Solution

The fourth proportional to 80,325.32, 110,848.84 and 48,488.00 is: 66,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.32 : 110,848.84 = 48,488.00 : x
  2. Step 2: Convert to fraction form
    80,325.32/110,848.84 = 48,488.00/x
  3. Step 3: Cross multiply
    80,325.32x = 110,848.84 × 48,488.00
  4. Step 4: Simplify right side
    80,325.32x = 5,374,837,878.46
  5. Step 5: Solve for x
    x = 5,374,837,878.46/80,325.32
  6. Step 6: Final answer
    x = 66,913.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.