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Finding the Fourth Proportional to 114,103.73, 157,458.53 and 62,420.00

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Solution

The fourth proportional to 114,103.73, 157,458.53 and 62,420.00 is: 86,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,103.73 : 157,458.53 = 62,420.00 : x
  2. Step 2: Convert to fraction form
    114,103.73/157,458.53 = 62,420.00/x
  3. Step 3: Cross multiply
    114,103.73x = 157,458.53 × 62,420.00
  4. Step 4: Simplify right side
    114,103.73x = 9,828,560,811.36
  5. Step 5: Solve for x
    x = 9,828,560,811.36/114,103.73
  6. Step 6: Final answer
    x = 86,137.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.