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Finding the Fourth Proportional to 237,015.65, 355,663.80 and 87,361.07

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Solution

The fourth proportional to 237,015.65, 355,663.80 and 87,361.07 is: 131,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,015.65 : 355,663.80 = 87,361.07 : x
  2. Step 2: Convert to fraction form
    237,015.65/355,663.80 = 87,361.07/x
  3. Step 3: Cross multiply
    237,015.65x = 355,663.80 × 87,361.07
  4. Step 4: Simplify right side
    237,015.65x = 31,071,168,349.95
  5. Step 5: Solve for x
    x = 31,071,168,349.95/237,015.65
  6. Step 6: Final answer
    x = 131,093.32

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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.