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Finding the Fourth Proportional to 97,250.54, 134,242.64 and 65,437.89

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Solution

The fourth proportional to 97,250.54, 134,242.64 and 65,437.89 is: 90,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,250.54 : 134,242.64 = 65,437.89 : x
  2. Step 2: Convert to fraction form
    97,250.54/134,242.64 = 65,437.89/x
  3. Step 3: Cross multiply
    97,250.54x = 134,242.64 × 65,437.89
  4. Step 4: Simplify right side
    97,250.54x = 8,784,555,109.63
  5. Step 5: Solve for x
    x = 8,784,555,109.63/97,250.54
  6. Step 6: Final answer
    x = 90,329.11

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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.