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Finding the Fourth Proportional to 212,866.93, 293,741.34 and 117,371.59

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Solution

The fourth proportional to 212,866.93, 293,741.34 and 117,371.59 is: 161,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,866.93 : 293,741.34 = 117,371.59 : x
  2. Step 2: Convert to fraction form
    212,866.93/293,741.34 = 117,371.59/x
  3. Step 3: Cross multiply
    212,866.93x = 293,741.34 × 117,371.59
  4. Step 4: Simplify right side
    212,866.93x = 34,476,888,124.53
  5. Step 5: Solve for x
    x = 34,476,888,124.53/212,866.93
  6. Step 6: Final answer
    x = 161,964.51

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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.