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Finding the Fourth Proportional to 104,651.92, 157,017.72 and 48,519.12

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Solution

The fourth proportional to 104,651.92, 157,017.72 and 48,519.12 is: 72,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,651.92 : 157,017.72 = 48,519.12 : x
  2. Step 2: Convert to fraction form
    104,651.92/157,017.72 = 48,519.12/x
  3. Step 3: Cross multiply
    104,651.92x = 157,017.72 × 48,519.12
  4. Step 4: Simplify right side
    104,651.92x = 7,618,361,598.81
  5. Step 5: Solve for x
    x = 7,618,361,598.81/104,651.92
  6. Step 6: Final answer
    x = 72,797.15

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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.