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Finding the Fourth Proportional to 183,897.42, 253,704.90 and 115,896.30

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Solution

The fourth proportional to 183,897.42, 253,704.90 and 115,896.30 is: 159,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,897.42 : 253,704.90 = 115,896.30 : x
  2. Step 2: Convert to fraction form
    183,897.42/253,704.90 = 115,896.30/x
  3. Step 3: Cross multiply
    183,897.42x = 253,704.90 × 115,896.30
  4. Step 4: Simplify right side
    183,897.42x = 29,403,459,201.87
  5. Step 5: Solve for x
    x = 29,403,459,201.87/183,897.42
  6. Step 6: Final answer
    x = 159,890.55

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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.