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Finding the Fourth Proportional to 79,283.72, 118,692.29 and 52,923.08

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Solution

The fourth proportional to 79,283.72, 118,692.29 and 52,923.08 is: 79,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.72 : 118,692.29 = 52,923.08 : x
  2. Step 2: Convert to fraction form
    79,283.72/118,692.29 = 52,923.08/x
  3. Step 3: Cross multiply
    79,283.72x = 118,692.29 × 52,923.08
  4. Step 4: Simplify right side
    79,283.72x = 6,281,561,097.90
  5. Step 5: Solve for x
    x = 6,281,561,097.90/79,283.72
  6. Step 6: Final answer
    x = 79,228.89

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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.