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Finding the Fourth Proportional to 210,854.44, 291,156.44 and 150,609.88

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Solution

The fourth proportional to 210,854.44, 291,156.44 and 150,609.88 is: 207,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,854.44 : 291,156.44 = 150,609.88 : x
  2. Step 2: Convert to fraction form
    210,854.44/291,156.44 = 150,609.88/x
  3. Step 3: Cross multiply
    210,854.44x = 291,156.44 × 150,609.88
  4. Step 4: Simplify right side
    210,854.44x = 43,851,036,489.63
  5. Step 5: Solve for x
    x = 43,851,036,489.63/210,854.44
  6. Step 6: Final answer
    x = 207,968.29

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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.