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Finding the Fourth Proportional to 187,777.53, 259,134.26 and 102,897.63

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Solution

The fourth proportional to 187,777.53, 259,134.26 and 102,897.63 is: 141,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,777.53 : 259,134.26 = 102,897.63 : x
  2. Step 2: Convert to fraction form
    187,777.53/259,134.26 = 102,897.63/x
  3. Step 3: Cross multiply
    187,777.53x = 259,134.26 × 102,897.63
  4. Step 4: Simplify right side
    187,777.53x = 26,664,300,691.32
  5. Step 5: Solve for x
    x = 26,664,300,691.32/187,777.53
  6. Step 6: Final answer
    x = 141,999.42

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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.