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Finding the Fourth Proportional to 144,075.70, 198,827.02 and 79,552.52

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Solution

The fourth proportional to 144,075.70, 198,827.02 and 79,552.52 is: 109,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,075.70 : 198,827.02 = 79,552.52 : x
  2. Step 2: Convert to fraction form
    144,075.70/198,827.02 = 79,552.52/x
  3. Step 3: Cross multiply
    144,075.70x = 198,827.02 × 79,552.52
  4. Step 4: Simplify right side
    144,075.70x = 15,817,190,485.09
  5. Step 5: Solve for x
    x = 15,817,190,485.09/144,075.70
  6. Step 6: Final answer
    x = 109,783.89

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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.