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Finding the Fourth Proportional to 144,461.72, 216,678 and 44,594.84

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Solution

The fourth proportional to 144,461.72, 216,678 and 44,594.84 is: 66,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,461.72 : 216,678 = 44,594.84 : x
  2. Step 2: Convert to fraction form
    144,461.72/216,678 = 44,594.84/x
  3. Step 3: Cross multiply
    144,461.72x = 216,678 × 44,594.84
  4. Step 4: Simplify right side
    144,461.72x = 9,662,720,741.52
  5. Step 5: Solve for x
    x = 9,662,720,741.52/144,461.72
  6. Step 6: Final answer
    x = 66,887.76

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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.