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Finding the Fourth Proportional to 272,559.94, 376,128.94 and 151,701.27

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Solution

The fourth proportional to 272,559.94, 376,128.94 and 151,701.27 is: 209,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,559.94 : 376,128.94 = 151,701.27 : x
  2. Step 2: Convert to fraction form
    272,559.94/376,128.94 = 151,701.27/x
  3. Step 3: Cross multiply
    272,559.94x = 376,128.94 × 151,701.27
  4. Step 4: Simplify right side
    272,559.94x = 57,059,237,881.75
  5. Step 5: Solve for x
    x = 57,059,237,881.75/272,559.94
  6. Step 6: Final answer
    x = 209,345.65

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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.