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Finding the Fourth Proportional to 202,614.21, 279,599.04 and 111,973.59

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Solution

The fourth proportional to 202,614.21, 279,599.04 and 111,973.59 is: 154,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,614.21 : 279,599.04 = 111,973.59 : x
  2. Step 2: Convert to fraction form
    202,614.21/279,599.04 = 111,973.59/x
  3. Step 3: Cross multiply
    202,614.21x = 279,599.04 × 111,973.59
  4. Step 4: Simplify right side
    202,614.21x = 31,307,708,269.35
  5. Step 5: Solve for x
    x = 31,307,708,269.35/202,614.21
  6. Step 6: Final answer
    x = 154,518.82

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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.