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Finding the Fourth Proportional to 96,320.60, 144,423.30 and 49,664.60

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Solution

The fourth proportional to 96,320.60, 144,423.30 and 49,664.60 is: 74,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,320.60 : 144,423.30 = 49,664.60 : x
  2. Step 2: Convert to fraction form
    96,320.60/144,423.30 = 49,664.60/x
  3. Step 3: Cross multiply
    96,320.60x = 144,423.30 × 49,664.60
  4. Step 4: Simplify right side
    96,320.60x = 7,172,725,425.18
  5. Step 5: Solve for x
    x = 7,172,725,425.18/96,320.60
  6. Step 6: Final answer
    x = 74,467.20

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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.