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Finding the Fourth Proportional to 321,365.70, 482,046.12 and 96,725.16

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Solution

The fourth proportional to 321,365.70, 482,046.12 and 96,725.16 is: 145,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,365.70 : 482,046.12 = 96,725.16 : x
  2. Step 2: Convert to fraction form
    321,365.70/482,046.12 = 96,725.16/x
  3. Step 3: Cross multiply
    321,365.70x = 482,046.12 × 96,725.16
  4. Step 4: Simplify right side
    321,365.70x = 46,625,988,084.38
  5. Step 5: Solve for x
    x = 46,625,988,084.38/321,365.70
  6. Step 6: Final answer
    x = 145,087.01

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1.5x scale

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.