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Finding the Fourth Proportional to 114,005.48, 157,327.08 and 63,704.48

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Solution

The fourth proportional to 114,005.48, 157,327.08 and 63,704.48 is: 87,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,005.48 : 157,327.08 = 63,704.48 : x
  2. Step 2: Convert to fraction form
    114,005.48/157,327.08 = 63,704.48/x
  3. Step 3: Cross multiply
    114,005.48x = 157,327.08 × 63,704.48
  4. Step 4: Simplify right side
    114,005.48x = 10,022,439,821.32
  5. Step 5: Solve for x
    x = 10,022,439,821.32/114,005.48
  6. Step 6: Final answer
    x = 87,911.91

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1.5x scale

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.