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Finding the Fourth Proportional to 98,773.98, 148,185.27 and 28,652.28

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Solution

The fourth proportional to 98,773.98, 148,185.27 and 28,652.28 is: 42,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,773.98 : 148,185.27 = 28,652.28 : x
  2. Step 2: Convert to fraction form
    98,773.98/148,185.27 = 28,652.28/x
  3. Step 3: Cross multiply
    98,773.98x = 148,185.27 × 28,652.28
  4. Step 4: Simplify right side
    98,773.98x = 4,245,845,847.92
  5. Step 5: Solve for x
    x = 4,245,845,847.92/98,773.98
  6. Step 6: Final answer
    x = 42,985.47

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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.