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Finding the Fourth Proportional to 250,042.44, 345,005.28 and 148,099.80

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Solution

The fourth proportional to 250,042.44, 345,005.28 and 148,099.80 is: 204,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,042.44 : 345,005.28 = 148,099.80 : x
  2. Step 2: Convert to fraction form
    250,042.44/345,005.28 = 148,099.80/x
  3. Step 3: Cross multiply
    250,042.44x = 345,005.28 × 148,099.80
  4. Step 4: Simplify right side
    250,042.44x = 51,095,212,966.94
  5. Step 5: Solve for x
    x = 51,095,212,966.94/250,042.44
  6. Step 6: Final answer
    x = 204,346.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.