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Finding the Fourth Proportional to 272,076.52, 375,460.74 and 151,215.88

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Solution

The fourth proportional to 272,076.52, 375,460.74 and 151,215.88 is: 208,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,076.52 : 375,460.74 = 151,215.88 : x
  2. Step 2: Convert to fraction form
    272,076.52/375,460.74 = 151,215.88/x
  3. Step 3: Cross multiply
    272,076.52x = 375,460.74 × 151,215.88
  4. Step 4: Simplify right side
    272,076.52x = 56,775,626,204.55
  5. Step 5: Solve for x
    x = 56,775,626,204.55/272,076.52
  6. Step 6: Final answer
    x = 208,675.21

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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.