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Finding the Fourth Proportional to 144,574.80, 216,924.23 and 55,890.59

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Solution

The fourth proportional to 144,574.80, 216,924.23 and 55,890.59 is: 83,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,574.80 : 216,924.23 = 55,890.59 : x
  2. Step 2: Convert to fraction form
    144,574.80/216,924.23 = 55,890.59/x
  3. Step 3: Cross multiply
    144,574.80x = 216,924.23 × 55,890.59
  4. Step 4: Simplify right side
    144,574.80x = 12,124,021,835.92
  5. Step 5: Solve for x
    x = 12,124,021,835.92/144,574.80
  6. Step 6: Final answer
    x = 83,859.86

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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.