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Finding the Fourth Proportional to 234,507.77, 323,621 and 127,076.86

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Solution

The fourth proportional to 234,507.77, 323,621 and 127,076.86 is: 175,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,507.77 : 323,621 = 127,076.86 : x
  2. Step 2: Convert to fraction form
    234,507.77/323,621 = 127,076.86/x
  3. Step 3: Cross multiply
    234,507.77x = 323,621 × 127,076.86
  4. Step 4: Simplify right side
    234,507.77x = 41,124,740,510.06
  5. Step 5: Solve for x
    x = 41,124,740,510.06/234,507.77
  6. Step 6: Final answer
    x = 175,366.22

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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.