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Finding the Fourth Proportional to 272,513.92, 376,065.60 and 153,281.92

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Solution

The fourth proportional to 272,513.92, 376,065.60 and 153,281.92 is: 211,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,513.92 : 376,065.60 = 153,281.92 : x
  2. Step 2: Convert to fraction form
    272,513.92/376,065.60 = 153,281.92/x
  3. Step 3: Cross multiply
    272,513.92x = 376,065.60 × 153,281.92
  4. Step 4: Simplify right side
    272,513.92x = 57,644,057,213.95
  5. Step 5: Solve for x
    x = 57,644,057,213.95/272,513.92
  6. Step 6: Final answer
    x = 211,527.02

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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.