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Finding the Fourth Proportional to 167,927.20, 252,085.20 and 101,442.40

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Solution

The fourth proportional to 167,927.20, 252,085.20 and 101,442.40 is: 152,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,927.20 : 252,085.20 = 101,442.40 : x
  2. Step 2: Convert to fraction form
    167,927.20/252,085.20 = 101,442.40/x
  3. Step 3: Cross multiply
    167,927.20x = 252,085.20 × 101,442.40
  4. Step 4: Simplify right side
    167,927.20x = 25,572,127,692.48
  5. Step 5: Solve for x
    x = 25,572,127,692.48/167,927.20
  6. Step 6: Final answer
    x = 152,281.03

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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.