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Finding the Fourth Proportional to 147,504.80, 221,257.20 and 49,008.80

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Solution

The fourth proportional to 147,504.80, 221,257.20 and 49,008.80 is: 73,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,504.80 : 221,257.20 = 49,008.80 : x
  2. Step 2: Convert to fraction form
    147,504.80/221,257.20 = 49,008.80/x
  3. Step 3: Cross multiply
    147,504.80x = 221,257.20 × 49,008.80
  4. Step 4: Simplify right side
    147,504.80x = 10,843,549,863.36
  5. Step 5: Solve for x
    x = 10,843,549,863.36/147,504.80
  6. Step 6: Final answer
    x = 73,513.20

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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.