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Finding the Fourth Proportional to 349,465.01, 524,064.49 and 124,783.61

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Solution

The fourth proportional to 349,465.01, 524,064.49 and 124,783.61 is: 187,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,465.01 : 524,064.49 = 124,783.61 : x
  2. Step 2: Convert to fraction form
    349,465.01/524,064.49 = 124,783.61/x
  3. Step 3: Cross multiply
    349,465.01x = 524,064.49 × 124,783.61
  4. Step 4: Simplify right side
    349,465.01x = 65,394,656,002.73
  5. Step 5: Solve for x
    x = 65,394,656,002.73/349,465.01
  6. Step 6: Final answer
    x = 187,127.91

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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.