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Finding the Fourth Proportional to 272,391.46, 408,460.94 and 101,567.32

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Solution

The fourth proportional to 272,391.46, 408,460.94 and 101,567.32 is: 152,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,391.46 : 408,460.94 = 101,567.32 : x
  2. Step 2: Convert to fraction form
    272,391.46/408,460.94 = 101,567.32/x
  3. Step 3: Cross multiply
    272,391.46x = 408,460.94 × 101,567.32
  4. Step 4: Simplify right side
    272,391.46x = 41,486,283,000.48
  5. Step 5: Solve for x
    x = 41,486,283,000.48/272,391.46
  6. Step 6: Final answer
    x = 152,303.90

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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.