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Finding the Fourth Proportional to 114,488.58, 157,986.31 and 63,496.48

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Solution

The fourth proportional to 114,488.58, 157,986.31 and 63,496.48 is: 87,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,488.58 : 157,986.31 = 63,496.48 : x
  2. Step 2: Convert to fraction form
    114,488.58/157,986.31 = 63,496.48/x
  3. Step 3: Cross multiply
    114,488.58x = 157,986.31 × 63,496.48
  4. Step 4: Simplify right side
    114,488.58x = 10,031,574,573.19
  5. Step 5: Solve for x
    x = 10,031,574,573.19/114,488.58
  6. Step 6: Final answer
    x = 87,620.74

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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.