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Finding the Fourth Proportional to 272,703.92, 376,330.46 and 151,846.65

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Solution

The fourth proportional to 272,703.92, 376,330.46 and 151,846.65 is: 209,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,703.92 : 376,330.46 = 151,846.65 : x
  2. Step 2: Convert to fraction form
    272,703.92/376,330.46 = 151,846.65/x
  3. Step 3: Cross multiply
    272,703.92x = 376,330.46 × 151,846.65
  4. Step 4: Simplify right side
    272,703.92x = 57,144,518,884.73
  5. Step 5: Solve for x
    x = 57,144,518,884.73/272,703.92
  6. Step 6: Final answer
    x = 209,547.85

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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.