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Finding the Fourth Proportional to 73,258.80, 109,888.20 and 48,634.80

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Solution

The fourth proportional to 73,258.80, 109,888.20 and 48,634.80 is: 72,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,258.80 : 109,888.20 = 48,634.80 : x
  2. Step 2: Convert to fraction form
    73,258.80/109,888.20 = 48,634.80/x
  3. Step 3: Cross multiply
    73,258.80x = 109,888.20 × 48,634.80
  4. Step 4: Simplify right side
    73,258.80x = 5,344,390,629.36
  5. Step 5: Solve for x
    x = 5,344,390,629.36/73,258.80
  6. Step 6: Final answer
    x = 72,952.20

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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.