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Finding the Fourth Proportional to 107,244.68, 148,004.67 and 61,924.58

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Solution

The fourth proportional to 107,244.68, 148,004.67 and 61,924.58 is: 85,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,244.68 : 148,004.67 = 61,924.58 : x
  2. Step 2: Convert to fraction form
    107,244.68/148,004.67 = 61,924.58/x
  3. Step 3: Cross multiply
    107,244.68x = 148,004.67 × 61,924.58
  4. Step 4: Simplify right side
    107,244.68x = 9,165,126,287.77
  5. Step 5: Solve for x
    x = 9,165,126,287.77/107,244.68
  6. Step 6: Final answer
    x = 85,459.96

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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.