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Finding the Fourth Proportional to 188,622.84, 260,301.70 and 103,741.32

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Solution

The fourth proportional to 188,622.84, 260,301.70 and 103,741.32 is: 143,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,622.84 : 260,301.70 = 103,741.32 : x
  2. Step 2: Convert to fraction form
    188,622.84/260,301.70 = 103,741.32/x
  3. Step 3: Cross multiply
    188,622.84x = 260,301.70 × 103,741.32
  4. Step 4: Simplify right side
    188,622.84x = 27,004,041,956.24
  5. Step 5: Solve for x
    x = 27,004,041,956.24/188,622.84
  6. Step 6: Final answer
    x = 143,164.22

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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.