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Finding the Fourth Proportional to 88,884.30, 133,412.85 and 53,892.30

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Solution

The fourth proportional to 88,884.30, 133,412.85 and 53,892.30 is: 80,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,884.30 : 133,412.85 = 53,892.30 : x
  2. Step 2: Convert to fraction form
    88,884.30/133,412.85 = 53,892.30/x
  3. Step 3: Cross multiply
    88,884.30x = 133,412.85 × 53,892.30
  4. Step 4: Simplify right side
    88,884.30x = 7,189,925,336.06
  5. Step 5: Solve for x
    x = 7,189,925,336.06/88,884.30
  6. Step 6: Final answer
    x = 80,890.84

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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.