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Finding the Fourth Proportional to 104,792.54, 144,614.36 and 57,045.87

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Solution

The fourth proportional to 104,792.54, 144,614.36 and 57,045.87 is: 78,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,792.54 : 144,614.36 = 57,045.87 : x
  2. Step 2: Convert to fraction form
    104,792.54/144,614.36 = 57,045.87/x
  3. Step 3: Cross multiply
    104,792.54x = 144,614.36 × 57,045.87
  4. Step 4: Simplify right side
    104,792.54x = 8,249,652,123.31
  5. Step 5: Solve for x
    x = 8,249,652,123.31/104,792.54
  6. Step 6: Final answer
    x = 78,723.66

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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.