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Finding the Fourth Proportional to 144,854.55, 217,281.83 and 51,348.15

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Solution

The fourth proportional to 144,854.55, 217,281.83 and 51,348.15 is: 77,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,854.55 : 217,281.83 = 51,348.15 : x
  2. Step 2: Convert to fraction form
    144,854.55/217,281.83 = 51,348.15/x
  3. Step 3: Cross multiply
    144,854.55x = 217,281.83 × 51,348.15
  4. Step 4: Simplify right side
    144,854.55x = 11,157,019,742.37
  5. Step 5: Solve for x
    x = 11,157,019,742.37/144,854.55
  6. Step 6: Final answer
    x = 77,022.23

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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.