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Finding the Fourth Proportional to 73,523.40, 110,342.70 and 34,085.40

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Solution

The fourth proportional to 73,523.40, 110,342.70 and 34,085.40 is: 51,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,523.40 : 110,342.70 = 34,085.40 : x
  2. Step 2: Convert to fraction form
    73,523.40/110,342.70 = 34,085.40/x
  3. Step 3: Cross multiply
    73,523.40x = 110,342.70 × 34,085.40
  4. Step 4: Simplify right side
    73,523.40x = 3,761,075,066.58
  5. Step 5: Solve for x
    x = 3,761,075,066.58/73,523.40
  6. Step 6: Final answer
    x = 51,154.80

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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.