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Finding the Fourth Proportional to 202,484.25, 279,428.27 and 113,060.25

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Solution

The fourth proportional to 202,484.25, 279,428.27 and 113,060.25 is: 156,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,484.25 : 279,428.27 = 113,060.25 : x
  2. Step 2: Convert to fraction form
    202,484.25/279,428.27 = 113,060.25/x
  3. Step 3: Cross multiply
    202,484.25x = 279,428.27 × 113,060.25
  4. Step 4: Simplify right side
    202,484.25x = 31,592,229,497.97
  5. Step 5: Solve for x
    x = 31,592,229,497.97/202,484.25
  6. Step 6: Final answer
    x = 156,023.15

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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.