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Finding the Fourth Proportional to 212,374.68, 293,061.96 and 126,328.92

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Solution

The fourth proportional to 212,374.68, 293,061.96 and 126,328.92 is: 174,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,374.68 : 293,061.96 = 126,328.92 : x
  2. Step 2: Convert to fraction form
    212,374.68/293,061.96 = 126,328.92/x
  3. Step 3: Cross multiply
    212,374.68x = 293,061.96 × 126,328.92
  4. Step 4: Simplify right side
    212,374.68x = 37,022,200,899.88
  5. Step 5: Solve for x
    x = 37,022,200,899.88/212,374.68
  6. Step 6: Final answer
    x = 174,324.93

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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.