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Finding the Fourth Proportional to 283,722.63, 425,567.54 and 103,929.36

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Solution

The fourth proportional to 283,722.63, 425,567.54 and 103,929.36 is: 155,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,722.63 : 425,567.54 = 103,929.36 : x
  2. Step 2: Convert to fraction form
    283,722.63/425,567.54 = 103,929.36/x
  3. Step 3: Cross multiply
    283,722.63x = 425,567.54 × 103,929.36
  4. Step 4: Simplify right side
    283,722.63x = 44,228,960,148.32
  5. Step 5: Solve for x
    x = 44,228,960,148.32/283,722.63
  6. Step 6: Final answer
    x = 155,888.03

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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.