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Finding the Fourth Proportional to 97,750.88, 134,898.26 and 55,309.41

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Solution

The fourth proportional to 97,750.88, 134,898.26 and 55,309.41 is: 76,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,750.88 : 134,898.26 = 55,309.41 : x
  2. Step 2: Convert to fraction form
    97,750.88/134,898.26 = 55,309.41/x
  3. Step 3: Cross multiply
    97,750.88x = 134,898.26 × 55,309.41
  4. Step 4: Simplify right side
    97,750.88x = 7,461,142,825.79
  5. Step 5: Solve for x
    x = 7,461,142,825.79/97,750.88
  6. Step 6: Final answer
    x = 76,328.14

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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.