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Finding the Fourth Proportional to 114,495.68, 157,998.44 and 63,503.90

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Solution

The fourth proportional to 114,495.68, 157,998.44 and 63,503.90 is: 87,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,495.68 : 157,998.44 = 63,503.90 : x
  2. Step 2: Convert to fraction form
    114,495.68/157,998.44 = 63,503.90/x
  3. Step 3: Cross multiply
    114,495.68x = 157,998.44 × 63,503.90
  4. Step 4: Simplify right side
    114,495.68x = 10,033,516,026.40
  5. Step 5: Solve for x
    x = 10,033,516,026.40/114,495.68
  6. Step 6: Final answer
    x = 87,632.27

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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.