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Finding the Fourth Proportional to 188,888.54, 260,671.92 and 104,008.64

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Solution

The fourth proportional to 188,888.54, 260,671.92 and 104,008.64 is: 143,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,888.54 : 260,671.92 = 104,008.64 : x
  2. Step 2: Convert to fraction form
    188,888.54/260,671.92 = 104,008.64/x
  3. Step 3: Cross multiply
    188,888.54x = 260,671.92 × 104,008.64
  4. Step 4: Simplify right side
    188,888.54x = 27,112,131,885.39
  5. Step 5: Solve for x
    x = 27,112,131,885.39/188,888.54
  6. Step 6: Final answer
    x = 143,535.08

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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.