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Finding the Fourth Proportional to 70,237.32, 104,847 and 65,034.72

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Solution

The fourth proportional to 70,237.32, 104,847 and 65,034.72 is: 97,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,237.32 : 104,847 = 65,034.72 : x
  2. Step 2: Convert to fraction form
    70,237.32/104,847 = 65,034.72/x
  3. Step 3: Cross multiply
    70,237.32x = 104,847 × 65,034.72
  4. Step 4: Simplify right side
    70,237.32x = 6,818,695,287.84
  5. Step 5: Solve for x
    x = 6,818,695,287.84/70,237.32
  6. Step 6: Final answer
    x = 97,080.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.