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Finding the Fourth Proportional to 235,814.64, 353,712.24 and 58,317.18

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Solution

The fourth proportional to 235,814.64, 353,712.24 and 58,317.18 is: 87,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,814.64 : 353,712.24 = 58,317.18 : x
  2. Step 2: Convert to fraction form
    235,814.64/353,712.24 = 58,317.18/x
  3. Step 3: Cross multiply
    235,814.64x = 353,712.24 × 58,317.18
  4. Step 4: Simplify right side
    235,814.64x = 20,627,500,368.28
  5. Step 5: Solve for x
    x = 20,627,500,368.28/235,814.64
  6. Step 6: Final answer
    x = 87,473.37

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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.