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Finding the Fourth Proportional to 144,710.80, 217,066.20 and 51,204.40

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Solution

The fourth proportional to 144,710.80, 217,066.20 and 51,204.40 is: 76,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,710.80 : 217,066.20 = 51,204.40 : x
  2. Step 2: Convert to fraction form
    144,710.80/217,066.20 = 51,204.40/x
  3. Step 3: Cross multiply
    144,710.80x = 217,066.20 × 51,204.40
  4. Step 4: Simplify right side
    144,710.80x = 11,114,744,531.28
  5. Step 5: Solve for x
    x = 11,114,744,531.28/144,710.80
  6. Step 6: Final answer
    x = 76,806.60

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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.