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Finding the Fourth Proportional to 157,806.36, 236,627.94 and 57,940.92

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Solution

The fourth proportional to 157,806.36, 236,627.94 and 57,940.92 is: 86,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,806.36 : 236,627.94 = 57,940.92 : x
  2. Step 2: Convert to fraction form
    157,806.36/236,627.94 = 57,940.92/x
  3. Step 3: Cross multiply
    157,806.36x = 236,627.94 × 57,940.92
  4. Step 4: Simplify right side
    157,806.36x = 13,710,440,541.30
  5. Step 5: Solve for x
    x = 13,710,440,541.30/157,806.36
  6. Step 6: Final answer
    x = 86,881.42

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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.