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Finding the Fourth Proportional to 183,877.58, 253,754.92 and 103,310.30

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Solution

The fourth proportional to 183,877.58, 253,754.92 and 103,310.30 is: 142,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,877.58 : 253,754.92 = 103,310.30 : x
  2. Step 2: Convert to fraction form
    183,877.58/253,754.92 = 103,310.30/x
  3. Step 3: Cross multiply
    183,877.58x = 253,754.92 × 103,310.30
  4. Step 4: Simplify right side
    183,877.58x = 26,215,496,911.68
  5. Step 5: Solve for x
    x = 26,215,496,911.68/183,877.58
  6. Step 6: Final answer
    x = 142,570.38

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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.