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Finding the Fourth Proportional to 88,856.90, 133,090.95 and 53,735.30

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Solution

The fourth proportional to 88,856.90, 133,090.95 and 53,735.30 is: 80,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,856.90 : 133,090.95 = 53,735.30 : x
  2. Step 2: Convert to fraction form
    88,856.90/133,090.95 = 53,735.30/x
  3. Step 3: Cross multiply
    88,856.90x = 133,090.95 × 53,735.30
  4. Step 4: Simplify right side
    88,856.90x = 7,151,682,125.54
  5. Step 5: Solve for x
    x = 7,151,682,125.54/88,856.90
  6. Step 6: Final answer
    x = 80,485.39

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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.