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Finding the Fourth Proportional to 210,448.29, 315,719.08 and 60,676.89

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Solution

The fourth proportional to 210,448.29, 315,719.08 and 60,676.89 is: 91,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,448.29 : 315,719.08 = 60,676.89 : x
  2. Step 2: Convert to fraction form
    210,448.29/315,719.08 = 60,676.89/x
  3. Step 3: Cross multiply
    210,448.29x = 315,719.08 × 60,676.89
  4. Step 4: Simplify right side
    210,448.29x = 19,156,851,888.06
  5. Step 5: Solve for x
    x = 19,156,851,888.06/210,448.29
  6. Step 6: Final answer
    x = 91,028.78

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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.