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Finding the Fourth Proportional to 224,723.58, 310,134.87 and 129,260.22

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Solution

The fourth proportional to 224,723.58, 310,134.87 and 129,260.22 is: 178,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,723.58 : 310,134.87 = 129,260.22 : x
  2. Step 2: Convert to fraction form
    224,723.58/310,134.87 = 129,260.22/x
  3. Step 3: Cross multiply
    224,723.58x = 310,134.87 × 129,260.22
  4. Step 4: Simplify right side
    224,723.58x = 40,088,101,525.87
  5. Step 5: Solve for x
    x = 40,088,101,525.87/224,723.58
  6. Step 6: Final answer
    x = 178,388.50

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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.