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Finding the Fourth Proportional to 89,492.96, 133,947.34 and 65,794.23

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Solution

The fourth proportional to 89,492.96, 133,947.34 and 65,794.23 is: 98,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492.96 : 133,947.34 = 65,794.23 : x
  2. Step 2: Convert to fraction form
    89,492.96/133,947.34 = 65,794.23/x
  3. Step 3: Cross multiply
    89,492.96x = 133,947.34 × 65,794.23
  4. Step 4: Simplify right side
    89,492.96x = 8,812,961,931.36
  5. Step 5: Solve for x
    x = 8,812,961,931.36/89,492.96
  6. Step 6: Final answer
    x = 98,476.59

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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.