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Finding the Fourth Proportional to 144,511.58, 216,748.24 and 65,607.66

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Solution

The fourth proportional to 144,511.58, 216,748.24 and 65,607.66 is: 98,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,511.58 : 216,748.24 = 65,607.66 : x
  2. Step 2: Convert to fraction form
    144,511.58/216,748.24 = 65,607.66/x
  3. Step 3: Cross multiply
    144,511.58x = 216,748.24 × 65,607.66
  4. Step 4: Simplify right side
    144,511.58x = 14,220,344,835.52
  5. Step 5: Solve for x
    x = 14,220,344,835.52/144,511.58
  6. Step 6: Final answer
    x = 98,402.81

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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.