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Finding the Fourth Proportional to 114,358.42, 157,815.55 and 63,372.01

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Solution

The fourth proportional to 114,358.42, 157,815.55 and 63,372.01 is: 87,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.42 : 157,815.55 = 63,372.01 : x
  2. Step 2: Convert to fraction form
    114,358.42/157,815.55 = 63,372.01/x
  3. Step 3: Cross multiply
    114,358.42x = 157,815.55 × 63,372.01
  4. Step 4: Simplify right side
    114,358.42x = 10,001,088,593.34
  5. Step 5: Solve for x
    x = 10,001,088,593.34/114,358.42
  6. Step 6: Final answer
    x = 87,453.89

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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.