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Finding the Fourth Proportional to 65,110.80, 97,666.20 and 49,364.40

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Solution

The fourth proportional to 65,110.80, 97,666.20 and 49,364.40 is: 74,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.80 : 97,666.20 = 49,364.40 : x
  2. Step 2: Convert to fraction form
    65,110.80/97,666.20 = 49,364.40/x
  3. Step 3: Cross multiply
    65,110.80x = 97,666.20 × 49,364.40
  4. Step 4: Simplify right side
    65,110.80x = 4,821,233,363.28
  5. Step 5: Solve for x
    x = 4,821,233,363.28/65,110.80
  6. Step 6: Final answer
    x = 74,046.60

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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.