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Finding the Fourth Proportional to 110,848.32, 166,328.08 and 51,688.64

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Solution

The fourth proportional to 110,848.32, 166,328.08 and 51,688.64 is: 77,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,848.32 : 166,328.08 = 51,688.64 : x
  2. Step 2: Convert to fraction form
    110,848.32/166,328.08 = 51,688.64/x
  3. Step 3: Cross multiply
    110,848.32x = 166,328.08 × 51,688.64
  4. Step 4: Simplify right side
    110,848.32x = 8,597,272,249.01
  5. Step 5: Solve for x
    x = 8,597,272,249.01/110,848.32
  6. Step 6: Final answer
    x = 77,558.89

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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.