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Finding the Fourth Proportional to 183,868.98, 253,737.66 and 103,294.78

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Solution

The fourth proportional to 183,868.98, 253,737.66 and 103,294.78 is: 142,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,868.98 : 253,737.66 = 103,294.78 : x
  2. Step 2: Convert to fraction form
    183,868.98/253,737.66 = 103,294.78/x
  3. Step 3: Cross multiply
    183,868.98x = 253,737.66 × 103,294.78
  4. Step 4: Simplify right side
    183,868.98x = 26,209,775,767.41
  5. Step 5: Solve for x
    x = 26,209,775,767.41/183,868.98
  6. Step 6: Final answer
    x = 142,545.94

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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.