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Finding the Fourth Proportional to 65,334.80, 97,901.40 and 48,616.40

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Solution

The fourth proportional to 65,334.80, 97,901.40 and 48,616.40 is: 72,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,334.80 : 97,901.40 = 48,616.40 : x
  2. Step 2: Convert to fraction form
    65,334.80/97,901.40 = 48,616.40/x
  3. Step 3: Cross multiply
    65,334.80x = 97,901.40 × 48,616.40
  4. Step 4: Simplify right side
    65,334.80x = 4,759,613,622.96
  5. Step 5: Solve for x
    x = 4,759,613,622.96/65,334.80
  6. Step 6: Final answer
    x = 72,849.59

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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.