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Finding the Fourth Proportional to 104,364.55, 156,577.96 and 74,028.13

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Solution

The fourth proportional to 104,364.55, 156,577.96 and 74,028.13 is: 111,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.55 : 156,577.96 = 74,028.13 : x
  2. Step 2: Convert to fraction form
    104,364.55/156,577.96 = 74,028.13/x
  3. Step 3: Cross multiply
    104,364.55x = 156,577.96 × 74,028.13
  4. Step 4: Simplify right side
    104,364.55x = 11,591,173,279.11
  5. Step 5: Solve for x
    x = 11,591,173,279.11/104,364.55
  6. Step 6: Final answer
    x = 111,064.28

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1.5x scale

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.