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Finding the Fourth Proportional to 189,202.32, 261,094.32 and 104,317.92

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Solution

The fourth proportional to 189,202.32, 261,094.32 and 104,317.92 is: 143,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,202.32 : 261,094.32 = 104,317.92 : x
  2. Step 2: Convert to fraction form
    189,202.32/261,094.32 = 104,317.92/x
  3. Step 3: Cross multiply
    189,202.32x = 261,094.32 × 104,317.92
  4. Step 4: Simplify right side
    189,202.32x = 27,236,816,386.21
  5. Step 5: Solve for x
    x = 27,236,816,386.21/189,202.32
  6. Step 6: Final answer
    x = 143,956.04

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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.