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Finding the Fourth Proportional to 183,015.86, 252,564.47 and 105,448.64

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Solution

The fourth proportional to 183,015.86, 252,564.47 and 105,448.64 is: 145,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,015.86 : 252,564.47 = 105,448.64 : x
  2. Step 2: Convert to fraction form
    183,015.86/252,564.47 = 105,448.64/x
  3. Step 3: Cross multiply
    183,015.86x = 252,564.47 × 105,448.64
  4. Step 4: Simplify right side
    183,015.86x = 26,632,579,873.82
  5. Step 5: Solve for x
    x = 26,632,579,873.82/183,015.86
  6. Step 6: Final answer
    x = 145,520.61

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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.