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Finding the Fourth Proportional to 222,568.63, 307,138.03 and 127,056.67

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Solution

The fourth proportional to 222,568.63, 307,138.03 and 127,056.67 is: 175,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,568.63 : 307,138.03 = 127,056.67 : x
  2. Step 2: Convert to fraction form
    222,568.63/307,138.03 = 127,056.67/x
  3. Step 3: Cross multiply
    222,568.63x = 307,138.03 × 127,056.67
  4. Step 4: Simplify right side
    222,568.63x = 39,023,935,322.16
  5. Step 5: Solve for x
    x = 39,023,935,322.16/222,568.63
  6. Step 6: Final answer
    x = 175,334.39

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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.