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Finding the Fourth Proportional to 99,735.36, 149,427.72 and 88,887.84

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Solution

The fourth proportional to 99,735.36, 149,427.72 and 88,887.84 is: 133,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.36 : 149,427.72 = 88,887.84 : x
  2. Step 2: Convert to fraction form
    99,735.36/149,427.72 = 88,887.84/x
  3. Step 3: Cross multiply
    99,735.36x = 149,427.72 × 88,887.84
  4. Step 4: Simplify right side
    99,735.36x = 13,282,307,266.92
  5. Step 5: Solve for x
    x = 13,282,307,266.92/99,735.36
  6. Step 6: Final answer
    x = 133,175.51

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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.