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Finding the Fourth Proportional to 336,355.66, 504,535.32 and 87,037.66

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Solution

The fourth proportional to 336,355.66, 504,535.32 and 87,037.66 is: 130,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,355.66 : 504,535.32 = 87,037.66 : x
  2. Step 2: Convert to fraction form
    336,355.66/504,535.32 = 87,037.66/x
  3. Step 3: Cross multiply
    336,355.66x = 504,535.32 × 87,037.66
  4. Step 4: Simplify right side
    336,355.66x = 43,913,575,567.43
  5. Step 5: Solve for x
    x = 43,913,575,567.43/336,355.66
  6. Step 6: Final answer
    x = 130,556.97

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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.