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Finding the Fourth Proportional to 475,083.52, 712,567.92 and 120,100.66

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Solution

The fourth proportional to 475,083.52, 712,567.92 and 120,100.66 is: 180,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,083.52 : 712,567.92 = 120,100.66 : x
  2. Step 2: Convert to fraction form
    475,083.52/712,567.92 = 120,100.66/x
  3. Step 3: Cross multiply
    475,083.52x = 712,567.92 × 120,100.66
  4. Step 4: Simplify right side
    475,083.52x = 85,579,877,486.83
  5. Step 5: Solve for x
    x = 85,579,877,486.83/475,083.52
  6. Step 6: Final answer
    x = 180,136.49

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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.