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Finding the Fourth Proportional to 349,866.30, 524,670.66 and 125,165.82

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Solution

The fourth proportional to 349,866.30, 524,670.66 and 125,165.82 is: 187,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,866.30 : 524,670.66 = 125,165.82 : x
  2. Step 2: Convert to fraction form
    349,866.30/524,670.66 = 125,165.82/x
  3. Step 3: Cross multiply
    349,866.30x = 524,670.66 × 125,165.82
  4. Step 4: Simplify right side
    349,866.30x = 65,670,833,388.84
  5. Step 5: Solve for x
    x = 65,670,833,388.84/349,866.30
  6. Step 6: Final answer
    x = 187,702.65

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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.