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Finding the Fourth Proportional to 349,333.65, 524,111.22 and 124,689.15

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Solution

The fourth proportional to 349,333.65, 524,111.22 and 124,689.15 is: 187,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,333.65 : 524,111.22 = 124,689.15 : x
  2. Step 2: Convert to fraction form
    349,333.65/524,111.22 = 124,689.15/x
  3. Step 3: Cross multiply
    349,333.65x = 524,111.22 × 124,689.15
  4. Step 4: Simplify right side
    349,333.65x = 65,350,982,527.26
  5. Step 5: Solve for x
    x = 65,350,982,527.26/349,333.65
  6. Step 6: Final answer
    x = 187,073.25

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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.