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Finding the Fourth Proportional to 351,681.69, 527,567.25 and 111,709.98

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Solution

The fourth proportional to 351,681.69, 527,567.25 and 111,709.98 is: 167,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,681.69 : 527,567.25 = 111,709.98 : x
  2. Step 2: Convert to fraction form
    351,681.69/527,567.25 = 111,709.98/x
  3. Step 3: Cross multiply
    351,681.69x = 527,567.25 × 111,709.98
  4. Step 4: Simplify right side
    351,681.69x = 58,934,526,387.61
  5. Step 5: Solve for x
    x = 58,934,526,387.61/351,681.69
  6. Step 6: Final answer
    x = 167,579.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.