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Finding the Fourth Proportional to 220,160.70, 330,208.65 and 62,405.10

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Solution

The fourth proportional to 220,160.70, 330,208.65 and 62,405.10 is: 93,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,160.70 : 330,208.65 = 62,405.10 : x
  2. Step 2: Convert to fraction form
    220,160.70/330,208.65 = 62,405.10/x
  3. Step 3: Cross multiply
    220,160.70x = 330,208.65 × 62,405.10
  4. Step 4: Simplify right side
    220,160.70x = 20,606,703,824.12
  5. Step 5: Solve for x
    x = 20,606,703,824.12/220,160.70
  6. Step 6: Final answer
    x = 93,598.47

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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.