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Finding the Fourth Proportional to 349,564.80, 524,244.80 and 124,899.20

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Solution

The fourth proportional to 349,564.80, 524,244.80 and 124,899.20 is: 187,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,564.80 : 524,244.80 = 124,899.20 : x
  2. Step 2: Convert to fraction form
    349,564.80/524,244.80 = 124,899.20/x
  3. Step 3: Cross multiply
    349,564.80x = 524,244.80 × 124,899.20
  4. Step 4: Simplify right side
    349,564.80x = 65,477,756,124.16
  5. Step 5: Solve for x
    x = 65,477,756,124.16/349,564.80
  6. Step 6: Final answer
    x = 187,312.21

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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.