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Finding the Fourth Proportional to 144,658.60, 216,967.90 and 44,887.40

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Solution

The fourth proportional to 144,658.60, 216,967.90 and 44,887.40 is: 67,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,658.60 : 216,967.90 = 44,887.40 : x
  2. Step 2: Convert to fraction form
    144,658.60/216,967.90 = 44,887.40/x
  3. Step 3: Cross multiply
    144,658.60x = 216,967.90 × 44,887.40
  4. Step 4: Simplify right side
    144,658.60x = 9,739,124,914.46
  5. Step 5: Solve for x
    x = 9,739,124,914.46/144,658.60
  6. Step 6: Final answer
    x = 67,324.89

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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.