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Finding the Fourth Proportional to 173,813.84, 239,861 and 98,360.40

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Solution

The fourth proportional to 173,813.84, 239,861 and 98,360.40 is: 135,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,813.84 : 239,861 = 98,360.40 : x
  2. Step 2: Convert to fraction form
    173,813.84/239,861 = 98,360.40/x
  3. Step 3: Cross multiply
    173,813.84x = 239,861 × 98,360.40
  4. Step 4: Simplify right side
    173,813.84x = 23,592,823,904.40
  5. Step 5: Solve for x
    x = 23,592,823,904.40/173,813.84
  6. Step 6: Final answer
    x = 135,736.16

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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.