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Finding the Fourth Proportional to 349,382.64, 524,184.72 and 124,738.24

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Solution

The fourth proportional to 349,382.64, 524,184.72 and 124,738.24 is: 187,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,382.64 : 524,184.72 = 124,738.24 : x
  2. Step 2: Convert to fraction form
    349,382.64/524,184.72 = 124,738.24/x
  3. Step 3: Cross multiply
    349,382.64x = 524,184.72 × 124,738.24
  4. Step 4: Simplify right side
    349,382.64x = 65,385,879,407.69
  5. Step 5: Solve for x
    x = 65,385,879,407.69/349,382.64
  6. Step 6: Final answer
    x = 187,146.90

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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.