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Finding the Fourth Proportional to 149,368.80, 224,053 and 69,363.02

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Solution

The fourth proportional to 149,368.80, 224,053 and 69,363.02 is: 104,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,368.80 : 224,053 = 69,363.02 : x
  2. Step 2: Convert to fraction form
    149,368.80/224,053 = 69,363.02/x
  3. Step 3: Cross multiply
    149,368.80x = 224,053 × 69,363.02
  4. Step 4: Simplify right side
    149,368.80x = 15,540,992,720.06
  5. Step 5: Solve for x
    x = 15,540,992,720.06/149,368.80
  6. Step 6: Final answer
    x = 104,044.44

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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.