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Finding the Fourth Proportional to 103,479.69, 155,911.00 and 93,496.04

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Solution

The fourth proportional to 103,479.69, 155,911.00 and 93,496.04 is: 140,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,479.69 : 155,911.00 = 93,496.04 : x
  2. Step 2: Convert to fraction form
    103,479.69/155,911.00 = 93,496.04/x
  3. Step 3: Cross multiply
    103,479.69x = 155,911.00 × 93,496.04
  4. Step 4: Simplify right side
    103,479.69x = 14,577,060,546.63
  5. Step 5: Solve for x
    x = 14,577,060,546.63/103,479.69
  6. Step 6: Final answer
    x = 140,868.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.