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Finding the Fourth Proportional to 114,464.59, 157,977.26 and 63,488.65

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Solution

The fourth proportional to 114,464.59, 157,977.26 and 63,488.65 is: 87,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,464.59 : 157,977.26 = 63,488.65 : x
  2. Step 2: Convert to fraction form
    114,464.59/157,977.26 = 63,488.65/x
  3. Step 3: Cross multiply
    114,464.59x = 157,977.26 × 63,488.65
  4. Step 4: Simplify right side
    114,464.59x = 10,029,763,521.76
  5. Step 5: Solve for x
    x = 10,029,763,521.76/114,464.59
  6. Step 6: Final answer
    x = 87,623.29

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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.