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Finding the Fourth Proportional to 101,308.32, 151,798.08 and 61,745.28

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Solution

The fourth proportional to 101,308.32, 151,798.08 and 61,745.28 is: 92,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,308.32 : 151,798.08 = 61,745.28 : x
  2. Step 2: Convert to fraction form
    101,308.32/151,798.08 = 61,745.28/x
  3. Step 3: Cross multiply
    101,308.32x = 151,798.08 × 61,745.28
  4. Step 4: Simplify right side
    101,308.32x = 9,372,814,953.06
  5. Step 5: Solve for x
    x = 9,372,814,953.06/101,308.32
  6. Step 6: Final answer
    x = 92,517.72

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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.