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Finding the Fourth Proportional to 147,850.80, 221,776.20 and 124,522.80

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Solution

The fourth proportional to 147,850.80, 221,776.20 and 124,522.80 is: 186,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,850.80 : 221,776.20 = 124,522.80 : x
  2. Step 2: Convert to fraction form
    147,850.80/221,776.20 = 124,522.80/x
  3. Step 3: Cross multiply
    147,850.80x = 221,776.20 × 124,522.80
  4. Step 4: Simplify right side
    147,850.80x = 27,616,193,397.36
  5. Step 5: Solve for x
    x = 27,616,193,397.36/147,850.80
  6. Step 6: Final answer
    x = 186,784.20

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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.