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Finding the Fourth Proportional to 96,503.76, 144,595.57 and 68,283.93

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Solution

The fourth proportional to 96,503.76, 144,595.57 and 68,283.93 is: 102,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,503.76 : 144,595.57 = 68,283.93 : x
  2. Step 2: Convert to fraction form
    96,503.76/144,595.57 = 68,283.93/x
  3. Step 3: Cross multiply
    96,503.76x = 144,595.57 × 68,283.93
  4. Step 4: Simplify right side
    96,503.76x = 9,873,553,438.77
  5. Step 5: Solve for x
    x = 9,873,553,438.77/96,503.76
  6. Step 6: Final answer
    x = 102,312.63

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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.