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Finding the Fourth Proportional to 149,383.50, 224,075.70 and 38,575.50

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Solution

The fourth proportional to 149,383.50, 224,075.70 and 38,575.50 is: 57,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,383.50 : 224,075.70 = 38,575.50 : x
  2. Step 2: Convert to fraction form
    149,383.50/224,075.70 = 38,575.50/x
  3. Step 3: Cross multiply
    149,383.50x = 224,075.70 × 38,575.50
  4. Step 4: Simplify right side
    149,383.50x = 8,643,832,165.35
  5. Step 5: Solve for x
    x = 8,643,832,165.35/149,383.50
  6. Step 6: Final answer
    x = 57,863.37

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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.