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Finding the Fourth Proportional to 272,315.54, 375,692.36 and 168,901.89

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Solution

The fourth proportional to 272,315.54, 375,692.36 and 168,901.89 is: 233,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,315.54 : 375,692.36 = 168,901.89 : x
  2. Step 2: Convert to fraction form
    272,315.54/375,692.36 = 168,901.89/x
  3. Step 3: Cross multiply
    272,315.54x = 375,692.36 × 168,901.89
  4. Step 4: Simplify right side
    272,315.54x = 63,455,148,818.05
  5. Step 5: Solve for x
    x = 63,455,148,818.05/272,315.54
  6. Step 6: Final answer
    x = 233,020.67

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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.