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Finding the Fourth Proportional to 66,541.19, 99,774.12 and 27,051.87

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Solution

The fourth proportional to 66,541.19, 99,774.12 and 27,051.87 is: 40,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.19 : 99,774.12 = 27,051.87 : x
  2. Step 2: Convert to fraction form
    66,541.19/99,774.12 = 27,051.87/x
  3. Step 3: Cross multiply
    66,541.19x = 99,774.12 × 27,051.87
  4. Step 4: Simplify right side
    66,541.19x = 2,699,076,523.60
  5. Step 5: Solve for x
    x = 2,699,076,523.60/66,541.19
  6. Step 6: Final answer
    x = 40,562.49

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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.