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Finding the Fourth Proportional to 97,262.34, 134,332.72 and 65,375.88

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Solution

The fourth proportional to 97,262.34, 134,332.72 and 65,375.88 is: 90,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,262.34 : 134,332.72 = 65,375.88 : x
  2. Step 2: Convert to fraction form
    97,262.34/134,332.72 = 65,375.88/x
  3. Step 3: Cross multiply
    97,262.34x = 134,332.72 × 65,375.88
  4. Step 4: Simplify right side
    97,262.34x = 8,782,119,782.79
  5. Step 5: Solve for x
    x = 8,782,119,782.79/97,262.34
  6. Step 6: Final answer
    x = 90,293.12

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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.