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Finding the Fourth Proportional to 73,304.80, 109,827.60 and 65,010.40

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Solution

The fourth proportional to 73,304.80, 109,827.60 and 65,010.40 is: 97,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,304.80 : 109,827.60 = 65,010.40 : x
  2. Step 2: Convert to fraction form
    73,304.80/109,827.60 = 65,010.40/x
  3. Step 3: Cross multiply
    73,304.80x = 109,827.60 × 65,010.40
  4. Step 4: Simplify right side
    73,304.80x = 7,139,936,207.04
  5. Step 5: Solve for x
    x = 7,139,936,207.04/73,304.80
  6. Step 6: Final answer
    x = 97,400.66

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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.