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Finding the Fourth Proportional to 114,144.99, 157,517.06 and 63,156.39

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Solution

The fourth proportional to 114,144.99, 157,517.06 and 63,156.39 is: 87,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,144.99 : 157,517.06 = 63,156.39 : x
  2. Step 2: Convert to fraction form
    114,144.99/157,517.06 = 63,156.39/x
  3. Step 3: Cross multiply
    114,144.99x = 157,517.06 × 63,156.39
  4. Step 4: Simplify right side
    114,144.99x = 9,948,208,557.23
  5. Step 5: Solve for x
    x = 9,948,208,557.23/114,144.99
  6. Step 6: Final answer
    x = 87,154.14

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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.