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Finding the Fourth Proportional to 104,888.64, 157,383.72 and 52,305.60

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Solution

The fourth proportional to 104,888.64, 157,383.72 and 52,305.60 is: 78,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,888.64 : 157,383.72 = 52,305.60 : x
  2. Step 2: Convert to fraction form
    104,888.64/157,383.72 = 52,305.60/x
  3. Step 3: Cross multiply
    104,888.64x = 157,383.72 × 52,305.60
  4. Step 4: Simplify right side
    104,888.64x = 8,232,049,904.83
  5. Step 5: Solve for x
    x = 8,232,049,904.83/104,888.64
  6. Step 6: Final answer
    x = 78,483.71

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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.