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Finding the Fourth Proportional to 71,064.16, 98,009.20 and 53,201.44

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Solution

The fourth proportional to 71,064.16, 98,009.20 and 53,201.44 is: 73,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,064.16 : 98,009.20 = 53,201.44 : x
  2. Step 2: Convert to fraction form
    71,064.16/98,009.20 = 53,201.44/x
  3. Step 3: Cross multiply
    71,064.16x = 98,009.20 × 53,201.44
  4. Step 4: Simplify right side
    71,064.16x = 5,214,230,573.25
  5. Step 5: Solve for x
    x = 5,214,230,573.25/71,064.16
  6. Step 6: Final answer
    x = 73,373.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.