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Finding the Fourth Proportional to 96,662.56, 145,035.60 and 52,320.56

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Solution

The fourth proportional to 96,662.56, 145,035.60 and 52,320.56 is: 78,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.56 : 145,035.60 = 52,320.56 : x
  2. Step 2: Convert to fraction form
    96,662.56/145,035.60 = 52,320.56/x
  3. Step 3: Cross multiply
    96,662.56x = 145,035.60 × 52,320.56
  4. Step 4: Simplify right side
    96,662.56x = 7,588,343,811.94
  5. Step 5: Solve for x
    x = 7,588,343,811.94/96,662.56
  6. Step 6: Final answer
    x = 78,503.44

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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.