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Finding the Fourth Proportional to 183,014.64, 252,459.23 and 128,650.38

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Solution

The fourth proportional to 183,014.64, 252,459.23 and 128,650.38 is: 177,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,014.64 : 252,459.23 = 128,650.38 : x
  2. Step 2: Convert to fraction form
    183,014.64/252,459.23 = 128,650.38/x
  3. Step 3: Cross multiply
    183,014.64x = 252,459.23 × 128,650.38
  4. Step 4: Simplify right side
    183,014.64x = 32,478,975,007.69
  5. Step 5: Solve for x
    x = 32,478,975,007.69/183,014.64
  6. Step 6: Final answer
    x = 177,466.54

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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.