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Finding the Fourth Proportional to 265,080.80, 365,808.56 and 157,652.63

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Solution

The fourth proportional to 265,080.80, 365,808.56 and 157,652.63 is: 217,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,080.80 : 365,808.56 = 157,652.63 : x
  2. Step 2: Convert to fraction form
    265,080.80/365,808.56 = 157,652.63/x
  3. Step 3: Cross multiply
    265,080.80x = 365,808.56 × 157,652.63
  4. Step 4: Simplify right side
    265,080.80x = 57,670,680,314.99
  5. Step 5: Solve for x
    x = 57,670,680,314.99/265,080.80
  6. Step 6: Final answer
    x = 217,558.87

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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.