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Finding the Fourth Proportional to 188,484.84, 260,105.58 and 103,600.08

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Solution

The fourth proportional to 188,484.84, 260,105.58 and 103,600.08 is: 142,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,484.84 : 260,105.58 = 103,600.08 : x
  2. Step 2: Convert to fraction form
    188,484.84/260,105.58 = 103,600.08/x
  3. Step 3: Cross multiply
    188,484.84x = 260,105.58 × 103,600.08
  4. Step 4: Simplify right side
    188,484.84x = 26,946,958,896.45
  5. Step 5: Solve for x
    x = 26,946,958,896.45/188,484.84
  6. Step 6: Final answer
    x = 142,966.19

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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.