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Finding the Fourth Proportional to 54,864.80, 74,125.80 and 54,864.80

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Solution

The fourth proportional to 54,864.80, 74,125.80 and 54,864.80 is: 74,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.80 : 74,125.80 = 54,864.80 : x
  2. Step 2: Convert to fraction form
    54,864.80/74,125.80 = 54,864.80/x
  3. Step 3: Cross multiply
    54,864.80x = 74,125.80 × 54,864.80
  4. Step 4: Simplify right side
    54,864.80x = 4,066,897,191.84
  5. Step 5: Solve for x
    x = 4,066,897,191.84/54,864.80
  6. Step 6: Final answer
    x = 74,125.80

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.