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Finding the Fourth Proportional to 110,554, 152,457.96 and 74,337.04

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Solution

The fourth proportional to 110,554, 152,457.96 and 74,337.04 is: 102,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,554 : 152,457.96 = 74,337.04 : x
  2. Step 2: Convert to fraction form
    110,554/152,457.96 = 74,337.04/x
  3. Step 3: Cross multiply
    110,554x = 152,457.96 × 74,337.04
  4. Step 4: Simplify right side
    110,554x = 11,333,273,470.84
  5. Step 5: Solve for x
    x = 11,333,273,470.84/110,554
  6. Step 6: Final answer
    x = 102,513.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.