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Finding the Fourth Proportional to 157,279.84, 235,918.32 and 63,763.36

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Solution

The fourth proportional to 157,279.84, 235,918.32 and 63,763.36 is: 95,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,279.84 : 235,918.32 = 63,763.36 : x
  2. Step 2: Convert to fraction form
    157,279.84/235,918.32 = 63,763.36/x
  3. Step 3: Cross multiply
    157,279.84x = 235,918.32 × 63,763.36
  4. Step 4: Simplify right side
    157,279.84x = 15,042,944,768.76
  5. Step 5: Solve for x
    x = 15,042,944,768.76/157,279.84
  6. Step 6: Final answer
    x = 95,644.46

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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.