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Finding the Fourth Proportional to 272,533.01, 375,773.78 and 186,533.42

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Solution

The fourth proportional to 272,533.01, 375,773.78 and 186,533.42 is: 257,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,533.01 : 375,773.78 = 186,533.42 : x
  2. Step 2: Convert to fraction form
    272,533.01/375,773.78 = 186,533.42/x
  3. Step 3: Cross multiply
    272,533.01x = 375,773.78 × 186,533.42
  4. Step 4: Simplify right side
    272,533.01x = 70,094,366,917.19
  5. Step 5: Solve for x
    x = 70,094,366,917.19/272,533.01
  6. Step 6: Final answer
    x = 257,195.88

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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.