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Finding the Fourth Proportional to 272,339.82, 375,783.39 and 151,465.14

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Solution

The fourth proportional to 272,339.82, 375,783.39 and 151,465.14 is: 208,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,339.82 : 375,783.39 = 151,465.14 : x
  2. Step 2: Convert to fraction form
    272,339.82/375,783.39 = 151,465.14/x
  3. Step 3: Cross multiply
    272,339.82x = 375,783.39 × 151,465.14
  4. Step 4: Simplify right side
    272,339.82x = 56,918,083,776.02
  5. Step 5: Solve for x
    x = 56,918,083,776.02/272,339.82
  6. Step 6: Final answer
    x = 208,996.55

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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.