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Finding the Fourth Proportional to 234,652.50, 323,821.56 and 127,222.20

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Solution

The fourth proportional to 234,652.50, 323,821.56 and 127,222.20 is: 175,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,652.50 : 323,821.56 = 127,222.20 : x
  2. Step 2: Convert to fraction form
    234,652.50/323,821.56 = 127,222.20/x
  3. Step 3: Cross multiply
    234,652.50x = 323,821.56 × 127,222.20
  4. Step 4: Simplify right side
    234,652.50x = 41,197,291,270.63
  5. Step 5: Solve for x
    x = 41,197,291,270.63/234,652.50
  6. Step 6: Final answer
    x = 175,567.24

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1.5x scale

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.