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Finding the Fourth Proportional to 270,250.64, 372,980.08 and 157,051.52

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Solution

The fourth proportional to 270,250.64, 372,980.08 and 157,051.52 is: 216,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,250.64 : 372,980.08 = 157,051.52 : x
  2. Step 2: Convert to fraction form
    270,250.64/372,980.08 = 157,051.52/x
  3. Step 3: Cross multiply
    270,250.64x = 372,980.08 × 157,051.52
  4. Step 4: Simplify right side
    270,250.64x = 58,577,088,493.72
  5. Step 5: Solve for x
    x = 58,577,088,493.72/270,250.64
  6. Step 6: Final answer
    x = 216,750.97

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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.