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Finding the Fourth Proportional to 98,039.84, 147,084.35 and 27,919.13

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Solution

The fourth proportional to 98,039.84, 147,084.35 and 27,919.13 is: 41,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,039.84 : 147,084.35 = 27,919.13 : x
  2. Step 2: Convert to fraction form
    98,039.84/147,084.35 = 27,919.13/x
  3. Step 3: Cross multiply
    98,039.84x = 147,084.35 × 27,919.13
  4. Step 4: Simplify right side
    98,039.84x = 4,106,466,213.60
  5. Step 5: Solve for x
    x = 4,106,466,213.60/98,039.84
  6. Step 6: Final answer
    x = 41,885.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.