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Finding the Fourth Proportional to 97,550, 134,608.20 and 55,099.52

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Solution

The fourth proportional to 97,550, 134,608.20 and 55,099.52 is: 76,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,550 : 134,608.20 = 55,099.52 : x
  2. Step 2: Convert to fraction form
    97,550/134,608.20 = 55,099.52/x
  3. Step 3: Cross multiply
    97,550x = 134,608.20 × 55,099.52
  4. Step 4: Simplify right side
    97,550x = 7,416,847,208.06
  5. Step 5: Solve for x
    x = 7,416,847,208.06/97,550
  6. Step 6: Final answer
    x = 76,031.24

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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.