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Finding the Fourth Proportional to 264,868.79, 365,510.88 and 144,010.31

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Solution

The fourth proportional to 264,868.79, 365,510.88 and 144,010.31 is: 198,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,868.79 : 365,510.88 = 144,010.31 : x
  2. Step 2: Convert to fraction form
    264,868.79/365,510.88 = 144,010.31/x
  3. Step 3: Cross multiply
    264,868.79x = 365,510.88 × 144,010.31
  4. Step 4: Simplify right side
    264,868.79x = 52,637,333,309.62
  5. Step 5: Solve for x
    x = 52,637,333,309.62/264,868.79
  6. Step 6: Final answer
    x = 198,729.85

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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.