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Finding the Fourth Proportional to 272,308.36, 375,798.84 and 151,447.05

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Solution

The fourth proportional to 272,308.36, 375,798.84 and 151,447.05 is: 209,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,308.36 : 375,798.84 = 151,447.05 : x
  2. Step 2: Convert to fraction form
    272,308.36/375,798.84 = 151,447.05/x
  3. Step 3: Cross multiply
    272,308.36x = 375,798.84 × 151,447.05
  4. Step 4: Simplify right side
    272,308.36x = 56,913,627,580.79
  5. Step 5: Solve for x
    x = 56,913,627,580.79/272,308.36
  6. Step 6: Final answer
    x = 209,004.34

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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.