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Finding the Fourth Proportional to 65,848.80, 98,773.20 and 48,352.80

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Solution

The fourth proportional to 65,848.80, 98,773.20 and 48,352.80 is: 72,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,848.80 : 98,773.20 = 48,352.80 : x
  2. Step 2: Convert to fraction form
    65,848.80/98,773.20 = 48,352.80/x
  3. Step 3: Cross multiply
    65,848.80x = 98,773.20 × 48,352.80
  4. Step 4: Simplify right side
    65,848.80x = 4,775,960,784.96
  5. Step 5: Solve for x
    x = 4,775,960,784.96/65,848.80
  6. Step 6: Final answer
    x = 72,529.20

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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.