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Finding the Fourth Proportional to 65,155.88, 97,635.40 and 48,437.48

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Solution

The fourth proportional to 65,155.88, 97,635.40 and 48,437.48 is: 72,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,155.88 : 97,635.40 = 48,437.48 : x
  2. Step 2: Convert to fraction form
    65,155.88/97,635.40 = 48,437.48/x
  3. Step 3: Cross multiply
    65,155.88x = 97,635.40 × 48,437.48
  4. Step 4: Simplify right side
    65,155.88x = 4,729,212,734.79
  5. Step 5: Solve for x
    x = 4,729,212,734.79/65,155.88
  6. Step 6: Final answer
    x = 72,583.05

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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.