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Finding the Fourth Proportional to 144,544.69, 216,795.16 and 39,371.95

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Solution

The fourth proportional to 144,544.69, 216,795.16 and 39,371.95 is: 59,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,544.69 : 216,795.16 = 39,371.95 : x
  2. Step 2: Convert to fraction form
    144,544.69/216,795.16 = 39,371.95/x
  3. Step 3: Cross multiply
    144,544.69x = 216,795.16 × 39,371.95
  4. Step 4: Simplify right side
    144,544.69x = 8,535,648,199.76
  5. Step 5: Solve for x
    x = 8,535,648,199.76/144,544.69
  6. Step 6: Final answer
    x = 59,051.97

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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.