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Finding the Fourth Proportional to 157,752.78, 236,629.57 and 62,990.68

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Solution

The fourth proportional to 157,752.78, 236,629.57 and 62,990.68 is: 94,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,752.78 : 236,629.57 = 62,990.68 : x
  2. Step 2: Convert to fraction form
    157,752.78/236,629.57 = 62,990.68/x
  3. Step 3: Cross multiply
    157,752.78x = 236,629.57 × 62,990.68
  4. Step 4: Simplify right side
    157,752.78x = 14,905,456,615.88
  5. Step 5: Solve for x
    x = 14,905,456,615.88/157,752.78
  6. Step 6: Final answer
    x = 94,486.17

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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.