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Finding the Fourth Proportional to 344,752.72, 517,129.12 and 108,116.08

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Solution

The fourth proportional to 344,752.72, 517,129.12 and 108,116.08 is: 162,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,752.72 : 517,129.12 = 108,116.08 : x
  2. Step 2: Convert to fraction form
    344,752.72/517,129.12 = 108,116.08/x
  3. Step 3: Cross multiply
    344,752.72x = 517,129.12 × 108,116.08
  4. Step 4: Simplify right side
    344,752.72x = 55,909,973,308.25
  5. Step 5: Solve for x
    x = 55,909,973,308.25/344,752.72
  6. Step 6: Final answer
    x = 162,174.13

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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.