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Finding the Fourth Proportional to 174,656.58, 261,765.68 and 74,699.25

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Solution

The fourth proportional to 174,656.58, 261,765.68 and 74,699.25 is: 111,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,656.58 : 261,765.68 = 74,699.25 : x
  2. Step 2: Convert to fraction form
    174,656.58/261,765.68 = 74,699.25/x
  3. Step 3: Cross multiply
    174,656.58x = 261,765.68 × 74,699.25
  4. Step 4: Simplify right side
    174,656.58x = 19,553,699,598.24
  5. Step 5: Solve for x
    x = 19,553,699,598.24/174,656.58
  6. Step 6: Final answer
    x = 111,955.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.