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Finding the Fourth Proportional to 349,668.30, 524,373.84 and 124,968

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Solution

The fourth proportional to 349,668.30, 524,373.84 and 124,968 is: 187,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,668.30 : 524,373.84 = 124,968 : x
  2. Step 2: Convert to fraction form
    349,668.30/524,373.84 = 124,968/x
  3. Step 3: Cross multiply
    349,668.30x = 524,373.84 × 124,968
  4. Step 4: Simplify right side
    349,668.30x = 65,529,950,037.12
  5. Step 5: Solve for x
    x = 65,529,950,037.12/349,668.30
  6. Step 6: Final answer
    x = 187,406.04

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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.