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Finding the Fourth Proportional to 157,751.91, 236,628.48 and 39,423.39

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Solution

The fourth proportional to 157,751.91, 236,628.48 and 39,423.39 is: 59,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,751.91 : 236,628.48 = 39,423.39 : x
  2. Step 2: Convert to fraction form
    157,751.91/236,628.48 = 39,423.39/x
  3. Step 3: Cross multiply
    157,751.91x = 236,628.48 × 39,423.39
  4. Step 4: Simplify right side
    157,751.91x = 9,328,696,852.15
  5. Step 5: Solve for x
    x = 9,328,696,852.15/157,751.91
  6. Step 6: Final answer
    x = 59,135.24

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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.