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Finding the Fourth Proportional to 224,697.37, 310,080.76 and 122,722.83

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Solution

The fourth proportional to 224,697.37, 310,080.76 and 122,722.83 is: 169,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,697.37 : 310,080.76 = 122,722.83 : x
  2. Step 2: Convert to fraction form
    224,697.37/310,080.76 = 122,722.83/x
  3. Step 3: Cross multiply
    224,697.37x = 310,080.76 × 122,722.83
  4. Step 4: Simplify right side
    224,697.37x = 38,053,988,395.75
  5. Step 5: Solve for x
    x = 38,053,988,395.75/224,697.37
  6. Step 6: Final answer
    x = 169,356.63

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Double scale
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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.