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Finding the Fourth Proportional to 114,353.28, 157,481.28 and 102,925.44

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Solution

The fourth proportional to 114,353.28, 157,481.28 and 102,925.44 is: 141,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,353.28 : 157,481.28 = 102,925.44 : x
  2. Step 2: Convert to fraction form
    114,353.28/157,481.28 = 102,925.44/x
  3. Step 3: Cross multiply
    114,353.28x = 157,481.28 × 102,925.44
  4. Step 4: Simplify right side
    114,353.28x = 16,208,830,035.76
  5. Step 5: Solve for x
    x = 16,208,830,035.76/114,353.28
  6. Step 6: Final answer
    x = 141,743.46

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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.