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Finding the Fourth Proportional to 224,475.72, 309,783.03 and 122,507.74

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Solution

The fourth proportional to 224,475.72, 309,783.03 and 122,507.74 is: 169,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,475.72 : 309,783.03 = 122,507.74 : x
  2. Step 2: Convert to fraction form
    224,475.72/309,783.03 = 122,507.74/x
  3. Step 3: Cross multiply
    224,475.72x = 309,783.03 × 122,507.74
  4. Step 4: Simplify right side
    224,475.72x = 37,950,819,516.98
  5. Step 5: Solve for x
    x = 37,950,819,516.98/224,475.72
  6. Step 6: Final answer
    x = 169,064.25

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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.