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Finding the Fourth Proportional to 201,759.84, 278,486.64 and 134,886.24

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Solution

The fourth proportional to 201,759.84, 278,486.64 and 134,886.24 is: 186,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,759.84 : 278,486.64 = 134,886.24 : x
  2. Step 2: Convert to fraction form
    201,759.84/278,486.64 = 134,886.24/x
  3. Step 3: Cross multiply
    201,759.84x = 278,486.64 × 134,886.24
  4. Step 4: Simplify right side
    201,759.84x = 37,564,015,759.83
  5. Step 5: Solve for x
    x = 37,564,015,759.83/201,759.84
  6. Step 6: Final answer
    x = 186,181.83

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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.