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Finding the Fourth Proportional to 144,551.04, 216,788.25 and 65,647.71

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Solution

The fourth proportional to 144,551.04, 216,788.25 and 65,647.71 is: 98,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,551.04 : 216,788.25 = 65,647.71 : x
  2. Step 2: Convert to fraction form
    144,551.04/216,788.25 = 65,647.71/x
  3. Step 3: Cross multiply
    144,551.04x = 216,788.25 × 65,647.71
  4. Step 4: Simplify right side
    144,551.04x = 14,231,652,167.41
  5. Step 5: Solve for x
    x = 14,231,652,167.41/144,551.04
  6. Step 6: Final answer
    x = 98,454.17

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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.