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Finding the Fourth Proportional to 96,510.88, 144,762.54 and 40,336.48

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Solution

The fourth proportional to 96,510.88, 144,762.54 and 40,336.48 is: 60,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,510.88 : 144,762.54 = 40,336.48 : x
  2. Step 2: Convert to fraction form
    96,510.88/144,762.54 = 40,336.48/x
  3. Step 3: Cross multiply
    96,510.88x = 144,762.54 × 40,336.48
  4. Step 4: Simplify right side
    96,510.88x = 5,839,211,299.46
  5. Step 5: Solve for x
    x = 5,839,211,299.46/96,510.88
  6. Step 6: Final answer
    x = 60,503.14

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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.