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Finding the Fourth Proportional to 114,039.70, 157,370.14 and 63,049.19

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Solution

The fourth proportional to 114,039.70, 157,370.14 and 63,049.19 is: 87,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,039.70 : 157,370.14 = 63,049.19 : x
  2. Step 2: Convert to fraction form
    114,039.70/157,370.14 = 63,049.19/x
  3. Step 3: Cross multiply
    114,039.70x = 157,370.14 × 63,049.19
  4. Step 4: Simplify right side
    114,039.70x = 9,922,059,149.15
  5. Step 5: Solve for x
    x = 9,922,059,149.15/114,039.70
  6. Step 6: Final answer
    x = 87,005.31

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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.