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Finding the Fourth Proportional to 141,668.96, 212,506 and 36,490.08

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Solution

The fourth proportional to 141,668.96, 212,506 and 36,490.08 is: 54,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,668.96 : 212,506 = 36,490.08 : x
  2. Step 2: Convert to fraction form
    141,668.96/212,506 = 36,490.08/x
  3. Step 3: Cross multiply
    141,668.96x = 212,506 × 36,490.08
  4. Step 4: Simplify right side
    141,668.96x = 7,754,360,940.48
  5. Step 5: Solve for x
    x = 7,754,360,940.48/141,668.96
  6. Step 6: Final answer
    x = 54,735.78

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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.