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Finding the Fourth Proportional to 250,744.53, 346,033.53 and 137,567.28

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Solution

The fourth proportional to 250,744.53, 346,033.53 and 137,567.28 is: 189,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,744.53 : 346,033.53 = 137,567.28 : x
  2. Step 2: Convert to fraction form
    250,744.53/346,033.53 = 137,567.28/x
  3. Step 3: Cross multiply
    250,744.53x = 346,033.53 × 137,567.28
  4. Step 4: Simplify right side
    250,744.53x = 47,602,891,510.90
  5. Step 5: Solve for x
    x = 47,602,891,510.90/250,744.53
  6. Step 6: Final answer
    x = 189,846.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.