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Finding the Fourth Proportional to 115,474.60, 173,082.30 and 48,903.40

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Solution

The fourth proportional to 115,474.60, 173,082.30 and 48,903.40 is: 73,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,474.60 : 173,082.30 = 48,903.40 : x
  2. Step 2: Convert to fraction form
    115,474.60/173,082.30 = 48,903.40/x
  3. Step 3: Cross multiply
    115,474.60x = 173,082.30 × 48,903.40
  4. Step 4: Simplify right side
    115,474.60x = 8,464,312,949.82
  5. Step 5: Solve for x
    x = 8,464,312,949.82/115,474.60
  6. Step 6: Final answer
    x = 73,300.21

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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.