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Finding the Fourth Proportional to 114,479.23, 157,978.99 and 63,483.73

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Solution

The fourth proportional to 114,479.23, 157,978.99 and 63,483.73 is: 87,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479.23 : 157,978.99 = 63,483.73 : x
  2. Step 2: Convert to fraction form
    114,479.23/157,978.99 = 63,483.73/x
  3. Step 3: Cross multiply
    114,479.23x = 157,978.99 × 63,483.73
  4. Step 4: Simplify right side
    114,479.23x = 10,029,095,852.05
  5. Step 5: Solve for x
    x = 10,029,095,852.05/114,479.23
  6. Step 6: Final answer
    x = 87,606.25

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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.