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Finding the Fourth Proportional to 114,030.83, 157,357.89 and 63,040.31

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Solution

The fourth proportional to 114,030.83, 157,357.89 and 63,040.31 is: 86,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.83 : 157,357.89 = 63,040.31 : x
  2. Step 2: Convert to fraction form
    114,030.83/157,357.89 = 63,040.31/x
  3. Step 3: Cross multiply
    114,030.83x = 157,357.89 × 63,040.31
  4. Step 4: Simplify right side
    114,030.83x = 9,919,890,166.55
  5. Step 5: Solve for x
    x = 9,919,890,166.55/114,030.83
  6. Step 6: Final answer
    x = 86,993.06

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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.