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Finding the Fourth Proportional to 97,575.88, 134,657.38 and 55,133.56

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Solution

The fourth proportional to 97,575.88, 134,657.38 and 55,133.56 is: 76,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,575.88 : 134,657.38 = 55,133.56 : x
  2. Step 2: Convert to fraction form
    97,575.88/134,657.38 = 55,133.56/x
  3. Step 3: Cross multiply
    97,575.88x = 134,657.38 × 55,133.56
  4. Step 4: Simplify right side
    97,575.88x = 7,424,140,739.67
  5. Step 5: Solve for x
    x = 7,424,140,739.67/97,575.88
  6. Step 6: Final answer
    x = 76,085.82

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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.