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Finding the Fourth Proportional to 250,646.09, 375,881.65 and 100,847.52

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Solution

The fourth proportional to 250,646.09, 375,881.65 and 100,847.52 is: 151,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,646.09 : 375,881.65 = 100,847.52 : x
  2. Step 2: Convert to fraction form
    250,646.09/375,881.65 = 100,847.52/x
  3. Step 3: Cross multiply
    250,646.09x = 375,881.65 × 100,847.52
  4. Step 4: Simplify right side
    250,646.09x = 37,906,731,963.89
  5. Step 5: Solve for x
    x = 37,906,731,963.89/250,646.09
  6. Step 6: Final answer
    x = 151,236.08

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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.